|Parameters||c1 ... cn, n characters|
|Purpose||Determines whether or not the characters are all equal.|
|Produces||A Boolean value: true (|
|Preconditions||At least one parameter (verified).|
All the c's are characters (verified).
|Postconditions||The result is a Boolean value.|
> (char=? #\a #\a) #t > (char=? #\a) #t > (char=?) char=?: expects at least 1 argument, given 0 > (char=? #\a #\A) #f > (char=? #\1 #\1) #t > (char=? #\1 1) char=?: expects type <character> as 2nd argument, given: 1; other arguments were: #\1
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