uncat: read concatenated arguments from string

Functions
template<class Arg , class... Args>
size_t	c4::uncat (csubstr buf, Arg &a, Args &...more)
	deserialize the arguments from the given buffer. More...

Detailed Description

Function Documentation

template<class Arg , class... Args>

size_t c4::uncat	(	csubstr	buf,
		Arg &	a,
		Args &...	more
	)

deserialize the arguments from the given buffer.

Returns

the number of characters read from the buffer, or csubstr::npos if a conversion was not successful.

See also

c4::cat(). c4::uncat() is the inverse of c4::cat().

Definition at line 690 of file format.hpp.

Referenced by sample_formatting().

{
    size_t out = from_chars_first(buf, &a);
    if C4_UNLIKELY(out == csubstr::npos)
        return csubstr::npos;
    buf  = buf.len >= out ? buf.sub(out) : substr{};
    size_t num = uncat(buf, more...);
    if C4_UNLIKELY(num == csubstr::npos)
        return csubstr::npos;
    return out + num;
}