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const std = @import("std"); const win32 = struct { pub const WM_1 = 1; pub const WM_2 = 2; pub const WM_3 = 3; pub const WM_4 = 4; pub const WM_FOOBAR = 42; pub const WM_HMM = 43; pub const WM_HMM_2 = 44; pub const WM_HMM_3 = 45; pub const WM_LEL = 69; pub const WM_FAR = 4096; }; export fn stringFromMsg(umsg: c_int) [*c]const u8 { @setEvalBranchQuota(1000000); inline for (@typeInfo(win32).Struct.decls) |field| { if (field.name.len >= 3 and std.mem.eql(u8, field.name[0..3], "WM_")) { if (umsg == @field(win32, field.name)) { return field.name; } } } unreachable; // umsg is not valid, programming mistake }
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