LESS 3.7.0 introduces each function: http://lesscss.org/functions/#list-functions-each
Postcss-less should support it.

• Node Version: 8.12.0
• NPM Version: 6.4.1
• postcss Version: 7.0.5
• postcss-less Version: 3.0.2

LESS

@colors: red, green, blue;
each(@colors, {
    .@{value}-color {
        color: @value;
    }
});

Errors

Unknown word   CssSyntaxError

Expected Behavior

Process each function normally.

Actual Behavior

Having errors.