37 lines
974 B
Rust
37 lines
974 B
Rust
import std.sys;
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fn add(int x, int y) -> int { ret x + y; }
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fn sub(int x, int y) -> int { ret x - y; }
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fn mul(int x, int y) -> int { ret x * y; }
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fn div(int x, int y) -> int { ret x / y; }
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fn rem(int x, int y) -> int { ret x % y; }
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fn lt(int x, int y) -> bool { ret x < y; }
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fn le(int x, int y) -> bool { ret x <= y; }
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fn eq(int x, int y) -> bool { ret x == y; }
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fn ne(int x, int y) -> bool { ret x != y; }
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fn ge(int x, int y) -> bool { ret x >= y; }
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fn gt(int x, int y) -> bool { ret x > y; }
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fn positive(int x) -> bool { ret x > 0; }
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fn negative(int x) -> bool { ret x < 0; }
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fn nonpositive(int x) -> bool { ret x <= 0; }
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fn nonnegative(int x) -> bool { ret x >= 0; }
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iter range(mutable int lo, int hi) -> int {
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while (lo < hi) {
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put lo;
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lo += 1;
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}
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}
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fn to_str(mutable int n, uint radix) -> str
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{
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check (0u < radix && radix <= 16u);
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if (n < 0) {
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ret "-" + _uint.to_str((-n) as uint, radix);
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} else {
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ret _uint.to_str(n as uint, radix);
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}
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}
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