struct Ameba::Rule::Lint::HashDuplicatedKey

Overview

A rule that disallows duplicated keys in hash literals.

This is considered invalid:

h = {"foo" => 1, "bar" => 2, "foo" => 3}

And it has to written as this instead:

h = {"foo" => 1, "bar" => 2}

YAML configuration example:

Lint/HashDuplicatedKey:
  Enabled: true

Defined in:

ameba/rule/lint/hash_duplicated_key.cr

Constant Summary

MSG = "Duplicated keys in hash literal: %s"

Constructors

Instance Method Summary

Instance methods inherited from struct Ameba::Rule::Base

==(other) ==, catch(source : Source) catch, excluded?(source) excluded?, group group, hash hash, initialize initialize, name name, special? special?, test(source : Source, node : Crystal::ASTNode, *opts)
test(source : Source) test

Constructor methods inherited from struct Ameba::Rule::Base

new new

Class methods inherited from struct Ameba::Rule::Base

parsed_doc parsed_doc

Constructor Detail

def self.new(config = nil) #

A rule that disallows duplicated keys in hash literals.

This is considered invalid:

h = {"foo" => 1, "bar" => 2, "foo" => 3}

And it has to written as this instead:

h = {"foo" => 1, "bar" => 2}

YAML configuration example:

Lint/HashDuplicatedKey:
  Enabled: true

[View source]

Instance Method Detail

def test(source, node : Crystal::HashLiteral) #

[View source]