mirror of
https://github.com/ziglang/zig.git
synced 2025-12-25 15:43:06 +00:00
37 lines
1.4 KiB
Zig
37 lines
1.4 KiB
Zig
const std = @import("std");
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const builtin = @import("builtin");
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const source = "A-";
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fn parseNote() ?i32 {
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const letter = source[0];
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const modifier = source[1];
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const semitone = blk: {
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if (letter == 'C' and modifier == '-') break :blk @as(i32, 0);
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if (letter == 'C' and modifier == '#') break :blk @as(i32, 1);
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if (letter == 'D' and modifier == '-') break :blk @as(i32, 2);
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if (letter == 'D' and modifier == '#') break :blk @as(i32, 3);
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if (letter == 'E' and modifier == '-') break :blk @as(i32, 4);
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if (letter == 'F' and modifier == '-') break :blk @as(i32, 5);
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if (letter == 'F' and modifier == '#') break :blk @as(i32, 6);
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if (letter == 'G' and modifier == '-') break :blk @as(i32, 7);
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if (letter == 'G' and modifier == '#') break :blk @as(i32, 8);
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if (letter == 'A' and modifier == '-') break :blk @as(i32, 9);
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if (letter == 'A' and modifier == '#') break :blk @as(i32, 10);
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if (letter == 'B' and modifier == '-') break :blk @as(i32, 11);
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return null;
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};
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return semitone;
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}
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test "fixed" {
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if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest;
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if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
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if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
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const result = parseNote();
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try std.testing.expect(result.? == 9);
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}
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