[GROOVY-10498] NamedVariant: default value overrides supplied value if it's falsy (positional parameter)

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 3.0.10, 4.0.0
• Labels: named-parameters
• Assignee: Unassigned
• Reporter: Eric Milles
• Created: 16/Feb/22 19:26
• Updated: 16/Feb/22 21:54

Description

Consider the following:

import groovy.transform.*

@ToString(includeNames=true)
class Color {
  int r, g, b
}

@NamedVariant
String m(@NamedDelegate Color color, Number alpha=4.5) {
  return [color, alpha].join(' ')
}
print m(r:1, g:2, b:3, 0.0) // "Color(r:1, g:2, b:3) 4.5"!

Issue Links

• is related to: GROOVY-10497 NamedVariant: default value overrides supplied value if it's falsy