| 1 | const std = @import("std"); |
| 2 | const string = []const u8; |
| 3 | const extras = @import("./lib.zig"); |
| 4 | const parseDigits = extras.parseDigits; |
| 5 | |
| 6 | pub fn from_hex(array: anytype) [array.len / 2]u8 { |
| 7 | var result: [array.len / 2]u8 = undefined; |
| 8 | for (0..array.len / 2) |i| result[i] = parseDigits(u8, array[i * 2 ..][0..2], 16) catch unreachable; |
| 9 | return result; |
| 10 | } |
| 11 | |
| 12 | test { |
| 13 | try std.testing.expectEqualSlices( |
| 14 | u8, |
| 15 | &.{ 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x30 }, |
| 16 | &from_hex("3132333435363738393031323334353637383930"), |
| 17 | ); |
| 18 | } |