Keyboard shortcuts

Press or to navigate between chapters

Press S or / to search in the book

Press ? to show this help

Press Esc to hide this help

Function |from_option_number_i64

json/value::|from_option_number_i64


Usage

|from_option_number_i64<I>(value)

Generics

◻ I: ToI64

Parameters

↳ value: Option<I>

Return

Json


Convert an optional i64-convertible value into a JSON number, or null if value is none.