bsl::vformat

Format args according to fmtStr using allocator and locale.

Synopsis

Declared in <bslfmt_format.h>

bsl::string
vformat(
    allocator<char> alloc,
    std::locale const& loc,
    std::string_view fmtStr,
    std::format_args args);

Description

Format the specified args according to the specification given by the specified fmtStr in the locale of the specified loc, using the specified allocator to supply memory (if required), and return the result. In the event of an error throw the exception format_error.

Return Value

the formatted string

Parameters

Name

Description

alloc

allocator used to supply memory

loc

locale used for locale‐dependent formatting

fmtStr

format string

args

type‐erased format arguments

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