Signature
f64 to_f64(String s, f64 fallback = 0)
Parameters
s : string to parse
fallback : value returned when
s is empty or not a complete floating-point numberreturn value : parsed f64, or
fallback.Parses a trimmed string as a floating-point number.
Unlike float_val(), the whole trimmed string must be consumed by the parser. Empty strings and partially parsed values such as "3.5ms" return the fallback.
Example
print(to_f64("3.5"), "\n");
Output
3.5