Style-PreferredHashMethods.md

Pattern: Inconsistent use of hash method

Issue: -

Description

This rule (by default) checks for uses of methods Hash#has_key? and Hash#has_value? where it enforces Hash#key? and Hash#value?. It is configurable to enforce the inverse, using verbose method names also.

Examples

# EnforcedStyle: short (default)

# bad
Hash#has_key?
Hash#has_value?

# good
Hash#key?
Hash#value?

# EnforcedStyle: verbose

# bad
Hash#key?
Hash#value?

# good
Hash#has_key?
Hash#has_value?

Default configuration

Attribute	Value
EnforcedStyle	short
SupportedStyles	short, verbose

Further Reading

• RuboCop - Style/PreferredHashMethods
• https://github.com/bbatsov/ruby-style-guide#hash-key