5 <primitive: 'WideString_at'>
7 ifTrue: [self error: 'index out of bounds'].
9 ifTrue: [^ self at: anInteger asInteger]
10 ifFalse: [self error: 'index is not an integer']!
13 at: anInteger put: aCharacter
14 <primitive: 'WideString_at_put'>
16 ifTrue: [self error: 'index out of bounds'].
18 ifTrue: [^ self at: anInteger asInteger]
19 ifFalse: [self error: 'index is not an integer'].
20 aCharacter isCharacter
21 ifFalse: [self error: 'object is not a character']!