fmt format cheatsheet

January 8, 2021 go golang cheatsheet

This cheatsheet is a simplified list of all the verbs you can use in fmt methods that accept a format, such as fmt.Printf and fmt.Sprintf.

Numbers

%d - decimal integer
%x - hexadecimal integer
%o - octal integer
%b - binary integer
%f - float (3.141593)
%g - float (3.141592653589793)
%e - float (3.141593e+00)

Text

%s - string
%c - rune (Unicode code point)
%q - quoted string or rune (“string value”)

Misc

%t - boolean
%T - the type of any value
%% - percentage sign
%v - any value in a natural format