Elm Format Number

This simple Elm package formats numbers as pretty strings. It is flexible enough to deal with different number of decimals, different thousand separators and diffetent decimal separator.

Usage

From Float do String

formatFloat : Int -> String -> String -> Float -> String

Format a float number as a pretty string. The four arguments are: number of decimals, thousand separator, decimal separator and the float number itself.

formatFloat 2 "," "." 1234.5567 == "1,234.56"
formatFloat 3 "." "," -7654.3210 == "-7.654,321"
formatFloat 1 "," "." -0.01 == "0.0"

From Int do String

formatInt : Int -> String -> String -> Int -> String

Format a float number as a pretty string. The four arguments are: number of decimals, thousand separator, decimal separator and the float number itself.

formatInt 1 "," "." 0 == "0.0"
formatInt 1 "," "." 1234567890 == "1,234,567,890.0"

Tests

Requires elm-doc-test:

$ elm-doc-test
$ elm-test init
$ elm-test tests/Doc/Main.elm