mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-23 15:23:46 +00:00
38 lines
805 B
Rust
38 lines
805 B
Rust
// skip-filecheck
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//@ compile-flags: -O -Zmir-opt-level=2 -g
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//@ needs-unwind
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#![crate_type = "lib"]
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pub fn int_range(start: usize, end: usize) {
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for i in start..end {
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opaque(i)
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}
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}
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pub fn mapped<T, U>(iter: impl Iterator<Item = T>, f: impl Fn(T) -> U) {
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for x in iter.map(f) {
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opaque(x)
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}
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}
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pub fn filter_mapped<T, U>(iter: impl Iterator<Item = T>, f: impl Fn(T) -> Option<U>) {
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for x in iter.filter_map(f) {
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opaque(x)
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}
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}
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pub fn vec_move(mut v: Vec<impl Sized>) {
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for x in v {
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opaque(x)
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}
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}
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#[inline(never)]
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fn opaque(_: impl Sized) {}
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// EMIT_MIR loops.int_range.PreCodegen.after.mir
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// EMIT_MIR loops.mapped.PreCodegen.after.mir
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// EMIT_MIR loops.filter_mapped.PreCodegen.after.mir
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// EMIT_MIR loops.vec_move.PreCodegen.after.mir
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