22 lines
541 B
Rust
22 lines
541 B
Rust
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fn main() {
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let x = 3;
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let y: i32 = 3;
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fn identity_u8(n: u8) -> u8 { n }
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fn identity_u16(n: u16) -> u16 { n }
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identity_u8(x); // after this, `x` is assumed to have type `u8`
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identity_u16(x);
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//!^ ERROR mismatched types: expected `u16` but found `u8`
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identity_u16(y);
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//!^ ERROR mismatched types: expected `u16` but found `i32`
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let a = 3i;
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fn identity_i(n: int) -> int { n }
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identity_i(a); // ok
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identity_u16(a);
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//!^ ERROR mismatched types: expected `u16` but found `int`
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}
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