According to :help ruby-evaluate, VIM::evaluate({expr}) returns string.
But since 7.2.374 it returns converted value for each type.
diff -r b64f0df9399c runtime/doc/if_ruby.txt
--- a/runtime/doc/if_ruby.txt Tue Feb 17 17:50:26 2015 +0100
+++ b/runtime/doc/if_ruby.txt Sat Feb 21 23:47:58 2015 +0900
@@ -120,9 +120,13 @@
*ruby-evaluate*
VIM::evaluate({expr})
Evaluates {expr} using the vim internal expression evaluator (see
- |expression|). Returns the expression result as a string.
- A |List| is turned into a string by joining the items and inserting
- line breaks.
+ |expression|). Returns the expression result as:
+ - a Integer if the Vim expression evaluates to a number
+ - a Float if the Vim expression evaluates to a float
+ - a String if the Vim expression evaluates to a string
+ - a Array if the Vim expression evaluates to a Vim list
+ - a Hash if the Vim expression evaluates to a Vim dictionary
+ Dictionaries and lists are recursively expanded.
==============================================================================
3. VIM::Buffer objects *ruby-buffer*
--
Yukihiro Nakadaira - [email protected]
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