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Create a more rigid overseer builder pattern that fails at compile time (#4753)

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Introduces `Missing<Field>` and `Init<Field>` states, that are used in place of builder generics, and make this possible.
This commit is contained in:
Vsevolod Stakhov
2022-02-09 16:01:16 +00:00
committed by GitHub
parent 227e39bff6
commit 84f55cc8d5
20 changed files with 891 additions and 267 deletions
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polkadot/node/overseer/overseer-gen/proc-macro/src/parse_struct.rs
+12 -12
View File
@@ -264,12 +264,21 @@ impl OverseerInfo {
.collect::<Vec<_>>()
}
pub(crate) fn subsystem_generic_types(&self) -> Vec<Ident> {
self.subsystems
.iter()
.filter(|ssf| !ssf.wip)
.map(|sff| sff.generic.clone())
.collect::<Vec<_>>()
}
pub(crate) fn baggage(&self) -> &[BaggageField] {
self.baggage.as_slice()
}
pub(crate) fn baggage_names(&self) -> Vec<Ident> {
self.baggage.iter().map(|bag| bag.field_name.clone()).collect::<Vec<_>>()
}
pub(crate) fn baggage_types(&self) -> Vec<Path> {
self.baggage.iter().map(|bag| bag.field_ty.clone()).collect::<Vec<_>>()
}
pub(crate) fn baggage_decl(&self) -> Vec<TokenStream> {
self.baggage
.iter()
@@ -280,15 +289,6 @@ impl OverseerInfo {
.collect::<Vec<TokenStream>>()
}
/// Generic types per subsystem, as defined by the user.
pub(crate) fn builder_generic_types(&self) -> Vec<Ident> {
self.subsystems
.iter()
.filter(|ssf| !ssf.wip)
.map(|sff| sff.generic.clone())
.collect::<Vec<_>>()
}
pub(crate) fn baggage_generic_types(&self) -> Vec<Ident> {
self.baggage
.iter()