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Use try_fold in default implementation of collect_seq, collect_map

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David Tolnay
2021-08-21 13:54:13 -07:00
parent 9451ea8df1
commit 75d8902371
2 changed files with 29 additions and 4 deletions
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serde/build.rs
+3
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@@ -62,8 +62,11 @@ fn main() {
// Inclusive ranges methods stabilized in Rust 1.27:
// https://github.com/rust-lang/rust/pull/50758
// Also Iterator::try_for_each:
// https://blog.rust-lang.org/2018/06/21/Rust-1.27.html#library-stabilizations
if minor >= 27 {
println!("cargo:rustc-cfg=range_inclusive");
println!("cargo:rustc-cfg=iterator_try_fold");
}
// Non-zero integers stabilized in Rust 1.28: