fmt
Functions
format1(): String (std/fmt.qz:10)
String formatting functions
Usage: format1(“Hello, {}!”, “world”) # => “Hello, world!” format2(”{} + {} = 3”, “1”, “2”) # => “1 + 2 = 3” format3(”{}, {}, {}”, “a”, “b”, “c”) # => “a, b, c”
All arguments must be strings. Use .to_s() to convert.