patch 8.1.1056: no eval function for Ruby
Problem: No eval function for Ruby.
Solution: Add rubyeval(). (Ozaki Kiichi, closes #4152)
diff --git a/runtime/doc/eval.txt b/runtime/doc/eval.txt
index 1294481..db63a22 100644
--- a/runtime/doc/eval.txt
+++ b/runtime/doc/eval.txt
@@ -2521,6 +2521,7 @@
resolve({filename}) String get filename a shortcut points to
reverse({list}) List reverse {list} in-place
round({expr}) Float round off {expr}
+rubyeval({expr}) any evaluate |Ruby| expression
screenattr({row}, {col}) Number attribute at screen position
screenchar({row}, {col}) Number character at screen position
screencol() Number current cursor column
@@ -7432,6 +7433,17 @@
< -5.0
{only available when compiled with the |+float| feature}
+rubyeval({expr}) *rubyeval()*
+ Evaluate Ruby expression {expr} and return its result
+ converted to Vim data structures.
+ Numbers, floats and strings are returned as they are (strings
+ are copied though).
+ Arrays are represented as Vim |List| type.
+ Hashes are represented as Vim |Dictionary| type.
+ Other objects are represented as strings resulted from their
+ "Object#to_s" method.
+ {only available when compiled with the |+ruby| feature}
+
screenattr({row}, {col}) *screenattr()*
Like |screenchar()|, but return the attribute. This is a rather
arbitrary number that can only be used to compare to the