CsvProxy.isSymbolHandler

A function used to determine if a string should be passed to a serializer as a symbol instead of strings. That may help to reduce memory allocation for data with a huge amount of equal cell values.` The default pattern follows regular expression [a-zA-Z_]+ and requires symbol to be presented without double quotes.

struct CsvProxy
bool function(scope const(char)[] symbol, bool quoted) @(safe) pure @(nogc) isSymbolHandler;

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