27 lines
563 B
Rust
27 lines
563 B
Rust
fn w_semi(v: [int]) -> int {
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// the semicolon causes compiler not to
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// complain about the ignored return value:
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vec::foldl(0, v) {|x,y| x+y};
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-10
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}
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fn w_paren1(v: [int]) -> int {
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(vec::foldl(0, v) {|x,y| x+y}) - 10
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}
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fn w_paren2(v: [int]) -> int {
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(vec::foldl(0, v) {|x,y| x+y} - 10)
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}
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fn w_ret(v: [int]) -> int {
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ret vec::foldl(0, v) {|x,y| x+y} - 10;
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}
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fn main() {
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assert w_semi([0, 1, 2, 3]) == -10;
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assert w_paren1([0, 1, 2, 3]) == -4;
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assert w_paren2([0, 1, 2, 3]) == -4;
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assert w_ret([0, 1, 2, 3]) == -4;
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}
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