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https://github.com/pezkuwichain/serde.git
synced 2026-04-25 03:27:56 +00:00
Bump syn dependency
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@@ -25,6 +25,6 @@ with-syn = []
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clippy = { version = "^0.*", optional = true }
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quote = "0.1"
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serde_codegen_internals = { version = "=0.8.9", default-features = false, path = "../serde_codegen_internals" }
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syn = { version = "0.5", features = ["aster", "visit"] }
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syn = { version = "0.7", features = ["aster", "visit"] }
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syntex = { version = "^0.44.0", optional = true }
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syntex_syntax = { version = "^0.44.0", optional = true }
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@@ -5,7 +5,7 @@ use bound;
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use internals::ast::{Body, Field, Item, Style, Variant};
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use internals::{self, attr};
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pub fn expand_derive_deserialize(item: &syn::Item) -> Tokens {
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pub fn expand_derive_deserialize(item: &syn::MacroInput) -> Tokens {
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let item = {
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let ctxt = internals::Ctxt::new();
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let item = Item::from_ast(&ctxt, item);
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@@ -143,7 +143,7 @@ macro_rules! shim {
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use syntax::print::pprust;
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let s = pprust::item_to_string(item);
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let syn_item = syn::parse_item(&s).unwrap();
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let syn_item = syn::parse_macro_input(&s).unwrap();
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let expanded = $pkg::$func(&syn_item).to_string();
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use syntax::parse;
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@@ -163,7 +163,7 @@ shim!(Deserialize de::expand_derive_deserialize);
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#[cfg(feature = "with-syn")]
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pub fn expand_single_item(item: &str) -> String {
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let syn_item = syn::parse_item(item).unwrap();
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let syn_item = syn::parse_macro_input(item).unwrap();
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let (ser, de, syn_item) = strip_serde_derives(syn_item);
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let expanded_ser = if ser {
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Some(ser::expand_derive_serialize(&syn_item))
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@@ -178,10 +178,10 @@ pub fn expand_single_item(item: &str) -> String {
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let syn_item = strip_serde_attrs(syn_item);
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return quote!(#expanded_ser #expanded_de #syn_item).to_string();
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fn strip_serde_derives(item: syn::Item) -> (bool, bool, syn::Item) {
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fn strip_serde_derives(item: syn::MacroInput) -> (bool, bool, syn::MacroInput) {
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let mut ser = false;
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let mut de = false;
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let item = syn::Item {
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let item = syn::MacroInput {
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attrs: item.attrs.into_iter().flat_map(|attr| {
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if attr.is_sugared_doc {
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return Some(attr);
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@@ -223,8 +223,8 @@ pub fn expand_single_item(item: &str) -> String {
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(ser, de, item)
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}
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fn strip_serde_attrs(item: syn::Item) -> syn::Item {
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syn::Item {
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fn strip_serde_attrs(item: syn::MacroInput) -> syn::MacroInput {
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syn::MacroInput {
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attrs: strip_serde_from_attrs(item.attrs),
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body: match item.body {
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syn::Body::Enum(variants) => syn::Body::Enum(
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@@ -233,6 +233,7 @@ pub fn expand_single_item(item: &str) -> String {
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ident: variant.ident,
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attrs: strip_serde_from_attrs(variant.attrs),
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data: strip_serde_from_variant_data(variant.data),
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discriminant: variant.discriminant,
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}
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}).collect()
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),
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@@ -5,7 +5,7 @@ use bound;
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use internals::ast::{Body, Field, Item, Style, Variant};
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use internals::{self, attr};
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pub fn expand_derive_serialize(item: &syn::Item) -> Tokens {
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pub fn expand_derive_serialize(item: &syn::MacroInput) -> Tokens {
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let item = Item::from_ast(&internals::Ctxt::new(), item);
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let impl_generics = build_impl_generics(&item);
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@@ -15,4 +15,4 @@ unstable-testing = ["clippy"]
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[dependencies]
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clippy = { version = "^0.*", optional = true }
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syn = "0.5"
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syn = "0.7"
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@@ -35,7 +35,7 @@ pub enum Style {
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}
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impl<'a> Item<'a> {
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pub fn from_ast(cx: &Ctxt, item: &'a syn::Item) -> Item<'a> {
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pub fn from_ast(cx: &Ctxt, item: &'a syn::MacroInput) -> Item<'a> {
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let attrs = attr::Item::from_ast(cx, item);
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let body = match item.body {
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@@ -94,7 +94,7 @@ pub struct Item {
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impl Item {
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/// Extract out the `#[serde(...)]` attributes from an item.
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pub fn from_ast(cx: &Ctxt, item: &syn::Item) -> Self {
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pub fn from_ast(cx: &Ctxt, item: &syn::MacroInput) -> Self {
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let mut ser_name = Attr::none(cx, "rename");
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let mut de_name = Attr::none(cx, "rename");
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let mut deny_unknown_fields = BoolAttr::none(cx, "deny_unknown_fields");
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@@ -106,8 +106,10 @@ impl Item {
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match meta_item {
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// Parse `#[serde(rename="foo")]`
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syn::MetaItem::NameValue(ref name, ref lit) if name == "rename" => {
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ser_name.set(lit.clone());
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de_name.set(lit.clone());
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if let Ok(s) = get_string_from_lit(cx, name, lit) {
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ser_name.set(s.clone());
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de_name.set(s);
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}
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}
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// Parse `#[serde(rename(serialize="foo", deserialize="bar"))]`
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@@ -191,8 +193,10 @@ impl Variant {
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match meta_item {
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// Parse `#[serde(rename="foo")]`
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syn::MetaItem::NameValue(ref name, ref lit) if name == "rename" => {
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ser_name.set(lit.clone());
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de_name.set(lit.clone());
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if let Ok(s) = get_string_from_lit(cx, name, lit) {
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ser_name.set(s.clone());
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de_name.set(s);
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}
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}
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// Parse `#[serde(rename(serialize="foo", deserialize="bar"))]`
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@@ -275,8 +279,10 @@ impl Field {
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match meta_item {
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// Parse `#[serde(rename="foo")]`
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syn::MetaItem::NameValue(ref name, ref lit) if name == "rename" => {
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ser_name.set(lit.clone());
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de_name.set(lit.clone());
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if let Ok(s) = get_string_from_lit(cx, name, lit) {
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ser_name.set(s.clone());
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de_name.set(s);
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}
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}
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// Parse `#[serde(rename(serialize="foo", deserialize="bar"))]`
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@@ -421,7 +427,7 @@ fn get_ser_and_de<T, F>(
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items: &[syn::MetaItem],
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f: F
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) -> Result<SerAndDe<T>, ()>
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where F: Fn(&Ctxt, &Ident, &str) -> Result<T, ()>,
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where F: Fn(&Ctxt, &Ident, &syn::Lit) -> Result<T, ()>,
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{
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let mut ser_item = Attr::none(cx, attribute);
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let mut de_item = Attr::none(cx, attribute);
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@@ -454,7 +460,7 @@ fn get_renames(
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cx: &Ctxt,
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items: &[syn::MetaItem],
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) -> Result<SerAndDe<String>, ()> {
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get_ser_and_de(cx, "rename", items, |_, _, s| Ok(s.to_owned()))
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get_ser_and_de(cx, "rename", items, get_string_from_lit)
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}
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fn get_where_predicates(
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@@ -473,17 +479,28 @@ pub fn get_serde_meta_items(attr: &syn::Attribute) -> Option<Vec<syn::MetaItem>>
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}
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}
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fn parse_lit_into_path(cx: &Ctxt, name: &Ident, lit: &str) -> Result<syn::Path, ()> {
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// TODO handle error
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Ok(syn::parse_path(lit).unwrap())
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fn get_string_from_lit(_cx: &Ctxt, _name: &Ident, lit: &syn::Lit) -> Result<String, ()> {
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if let syn::Lit::Str(ref s, _) = *lit {
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Ok(s.clone())
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} else {
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// TODO handle error
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Err(())
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}
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}
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fn parse_lit_into_where(cx: &Ctxt, name: &Ident, lit: &str) -> Result<Vec<syn::WherePredicate>, ()> {
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if lit.is_empty() {
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fn parse_lit_into_path(cx: &Ctxt, name: &Ident, lit: &syn::Lit) -> Result<syn::Path, ()> {
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let string = try!(get_string_from_lit(cx, name, lit));
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// TODO handle error
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Ok(syn::parse_path(&string).unwrap())
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}
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fn parse_lit_into_where(cx: &Ctxt, name: &Ident, lit: &syn::Lit) -> Result<Vec<syn::WherePredicate>, ()> {
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let string = try!(get_string_from_lit(cx, name, lit));
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if string.is_empty() {
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return Ok(Vec::new());
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}
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let where_string = format!("where {}", lit);
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let where_string = format!("where {}", string);
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// TODO handle error
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Ok(syn::parse_where_clause(&where_string).unwrap().predicates)
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