December 2021
Beginner
840 pages
47h 29m
English
Content preview from Programming Languages: Concepts and Implementation
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B.4 Essential Operators and Expressions
Character conversions. The ord and chr functions are used for character conversions:
Description String concatenation. The ∧ append operator is used for string concatenation:
Description Arithmetic. The infix binary1 operators +, -, and * only accept two values of type int or two values of type real; the prefix unary minus operator ∼ accepts a value of type int or real; the infix binary division operator / only accepts two values of type real; the infix binary division operator div only accepts ...