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Bug #20607

closed

Exception messages are inconsistent when thread-local variables are accessed

Added by andrykonchin (Andrew Konchin) 5 months ago. Updated 2 months ago.

Status:
Closed
Assignee:
-
Target version:
-
[ruby-core:118432]

Description

Thread's methods to manipulate thread-local variables raise TypeError exceptions with slightly different messages when the key argument is not a String or a Symbol. The message is either is not a symbol or is not a symbol nor a string. As far as both String and Symbol arguments are correct it seems the is not a symbol nor a string message is more accurate and should be used consistently.

The following methods raise is not a symbol error:

@t.thread_variable_set(:a, 0) # for some methods it's important to have some thread-local variables assigned

@t.thread_variable_get(123) # => 123 is not a symbol (TypeError)
t.thread_variable_set(123, 1) # => 123 is not a symbol (TypeError)
t.thread_variable?(123) # => 123 is not a symbol (TypeError)
t[123] = 1 # => 123 is not a symbol (TypeError)

The following methods raise is not a symbol nor a string error:

t.fetch(123) # => 123 is not a symbol nor a string (TypeError)
t.key?(123) # => 123 is not a symbol nor a string (TypeError)
t[123] # => 123 is not a symbol nor a string (TypeError)
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