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Add new "String#chars" rule #870

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merged 1 commit into from Mar 19, 2021
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Add new "String#chars" rule #870

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16 changes: 16 additions & 0 deletions README.adoc
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Expand Up @@ -4487,6 +4487,22 @@ url.sub('http://', 'https://')
str.tr('-', '_')
----

=== `String#chars` [[string-chars]]

Prefer the use of `String#chars` over `String#split` with empty string or regexp literal argument.

NOTE: These cases have the same behavior since Ruby 2.0.

[source,ruby]
----
# bad
string.split(//)
string.split('')

# good
string.chars
----

=== `sprintf` [[sprintf]]

Prefer the use of `sprintf` and its alias `format` over the fairly cryptic `String#%` method.
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