From the online docs of std.conv.parse: Target parse(Target, Source)(ref Source s, dchar lbracket = '[', dchar rbracket = ']', dchar comma = ','); Target parse(Target, Source)(ref Source s, dchar lbracket = '[', dchar rbracket = ']', dchar comma = ','); Parses an array from a string given the left bracket (default '['), right bracket (default ']'), and element seprator (by default ','). Target parse(Target, Source)(ref Source s, dchar lbracket = '[', dchar rbracket = ']', dchar keyval = ':', dchar comma = ','); Parses an associative array from a string given the left bracket (default '['), right bracket (default ']'), key-value separator (default ':'), and element seprator (by default ','). If the lbracket and rbracket arguments become strings, no brackets can be expressed with empty strings.
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