21 lines
540 B
Zig
21 lines
540 B
Zig
const mem = @import("mem.zig");
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const builtin = @import("builtin");
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pub fn swapIfLe(comptime T: type, x: T) -> T {
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return swapIf(false, T, x);
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}
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pub fn swapIfBe(comptime T: type, x: T) -> T {
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return swapIf(true, T, x);
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}
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pub fn swapIf(endian: builtin.Endian, comptime T: type, x: T) -> T {
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return if (builtin.endian == endian) swap(T, x) else x;
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}
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pub fn swap(comptime T: type, x: T) -> T {
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var buf: [@sizeOf(T)]u8 = undefined;
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mem.writeInt(buf[0..], x, false);
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return mem.readInt(buf, T, builtin.Endian.Big);
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}
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