Fix keyword pairs for sends

Changelog.md

@@ -1,3 +1,9 @@
+# v0.6.15 2024-06-10
+
+[#373](https://github.com/mbj/unparser/pull/373)
+
+* Fix additonal keyword dispatch
+
 # v0.6.14 2024-06-10
 
 [#369](https://github.com/mbj/unparser/pull/369)

Gemfile.lock

@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    unparser (0.6.14)
+    unparser (0.6.15)
       diff-lcs (~> 1.3)
       parser (>= 3.3.0)
 
@@ -12,14 +12,14 @@ GEM
     diff-lcs (1.5.1)
     json (2.7.2)
     language_server-protocol (3.17.0.3)
-    mutant (0.12.2)
+    mutant (0.12.3)
       diff-lcs (~> 1.3)
       parser (~> 3.3.0)
       regexp_parser (~> 2.9.0)
       sorbet-runtime (~> 0.5.0)
-      unparser (~> 0.6.9)
-    mutant-rspec (0.12.2)
-      mutant (= 0.12.2)
+      unparser (~> 0.6.14)
+    mutant-rspec (0.12.3)
+      mutant (= 0.12.3)
       rspec-core (>= 3.8.0, < 4.0.0)
     parallel (1.25.1)
     parser (3.3.2.0)

lib/unparser/emitter/pair.rb

@@ -17,7 +17,7 @@ class Pair < self
       def dispatch
         if colon?
           emit_colon
-          unless implicit_value?
+          unless implicit_value_lvar? || implicit_value_send?
             write(' ')
             visit(value)
           end
@@ -36,8 +36,23 @@ def emit_colon
         write(key.children.first.to_s, ':')
       end
 
-      def implicit_value?
-        n_lvar?(value) && value.children.first.equal?(key.children.first)
+      def key_value
+        key.children.first
+      end
+
+      def implicit_value_lvar?
+        n_lvar?(value) && value.children.first.equal?(key_value)
+      end
+
+      def implicit_value_send?
+        children = value.children
+
+        n_send?(value) \
+          && !key_value.end_with?('?') \
+          && !key_value.end_with?('!') \
+          && children.fetch(0).nil? \
+          && children.fetch(1).equal?(key_value) \
+          && children.at(2).nil?
       end
     end
   end

test/corpus/literal/send.rb

@@ -84,3 +84,10 @@ def foo
 a&.+(b)
 a = nil
 foo(bar: a)
+foo(return:)
+foo(bar: Bar.bar)
+foo(bar: bar(1))
+foo(bar: 1)
+foo(do: true)
+foo(a?: a?)
+foo(a!: a!)

unparser.gemspec

@@ -1,6 +1,6 @@
 Gem::Specification.new do |gem|
   gem.name        = 'unparser'
-  gem.version     = '0.6.14'
+  gem.version     = '0.6.15'
 
   gem.authors     = ['Markus Schirp']
   gem.email       = 'mbj@schirp-dso.com'