unformatValue

Reads a value from the given input range and converts it according to a format specifier.

unformatValue

(

Range

Char

)

(

ref Range input

scope const ref FormatSpec!Char spec

)

Parameters

Type: T

A value from input of type T.

A FormatException if reading did not succeed.

import std.format.spec : singleSpec;

string s = "42";
auto spec = singleSpec("%s");
assert(unformatValue!int(s, spec) == 42);