34 lines
613 B
Rust
34 lines
613 B
Rust
#[link(name = "static_methods_crate",
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vers = "0.1")];
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#[crate_type = "lib"];
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#[legacy_exports];
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export read, readMaybe;
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trait read {
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static fn readMaybe(s: ~str) -> Option<self>;
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}
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impl int: read {
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static fn readMaybe(s: ~str) -> Option<int> {
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int::from_str(s)
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}
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}
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impl bool: read {
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static fn readMaybe(s: ~str) -> Option<bool> {
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match s {
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~"true" => Some(true),
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~"false" => Some(false),
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_ => None
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}
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}
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}
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fn read<T: read Copy>(s: ~str) -> T {
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match readMaybe(s) {
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Some(x) => x,
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_ => fail ~"read failed!"
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}
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}
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