Class Hashery::StaticHash
In: lib/hashery/static_hash.rb
Parent: CRUDHash

StaticHash ia a Hash object which raises an error if any previously-defined key attempts to be set again.

    foo = StaticHash.new
    foo['name'] = 'Tom'    #=> 'Tom'
    foo['age']  = 30       #=> 30
    foo['name'] = 'Bob'

produces

    ArgumentError: Duplicate key for StaticHash -- 'name'

StaticHash has it‘s orgins in Gavin Kistner‘s WriteOnceHash class found in his +basiclibrary.rb+ script.

TODO: Maybe StaticHash isn‘t bets name for this class?

Methods

store  

Public Instance methods

Set a value for a key. Raises an error if that key already exists with a different value.

key - Index key to associate with value. value - Value to associate with key.

Retruns value.

[Validate]