interpolate ( str -- quot )

Vocabulary

interpolate

Inputs

str

a string

Outputs

None

Word description

String interpolation using named variables and/or stack arguments, writing to the output-stream. Format directives from the formatting vocabulary can be used as well.

Notes

Stack arguments are numbered from the top of the stack, or provided anonymously by order of arguments.

Examples

USING: interpolate ; "Bob" "Alice" "Hi ${1}, it's ${0}." interpolate
Hi Bob, it's Alice.

USING: interpolate namespaces ; "Fred" "name" [ "Hi ${name}" interpolate ] with-variable
Hi Fred

USING: interpolate ; "Mr." "Anderson" "Hello, ${} ${}" interpolate
Hello, Mr. Anderson

USING: interpolate ; 1.2345 "${:011.5f}" interpolate
00001.23450

See also

interpolate>string

Definition

IN: interpolate

MACRO: interpolate ( str -- quot ) interpolate-quot ;