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colors: Reuse the HexDigits constant in strutils (#16065)

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Co-authored-by: Xuecong Liao <xliao@flexport.com>
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satoru 2020-11-20 17:55:14 +08:00 • committed by GitHub
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lib/pure/colors.nim
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@ -475,7 +475,7 @@ proc isColor*(name: string): bool =
if name.len == 0: return false if name.len == 0: return false
if name[0] == '#': if name[0] == '#':
for i in 1 .. name.len-1: for i in 1 .. name.len-1:
if name[i] notin {'0'..'9', 'a'..'f', 'A'..'F'}: return false if name[i] notin HexDigits: return false
result = true result = true
else: else:
result = binarySearch(colorNames, name, colorNameCmp) >= 0 result = binarySearch(colorNames, name, colorNameCmp) >= 0