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6.3.5 Usage of brackets
In SINGULAR, curly brackets ({ }) must
always be used to enclose the statement body following such constructs
like if, else, for, or while, even if this
block consists of only a single statement. Similarly, in the return
statement of a procedure, parentheses (( )) must
always be used to enclose the return value. Even if there is no value
to return, parentheses have to be used after a return statement
(i.e., return();). For example,
| | if (i == 1) return i; // WRONG!!!!!
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results in an error. Instead, it must be written as
| | if (i == 1) { return (i); }.
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