## ALP Programming Guide and Reference

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### Primary Expression

A Primary Expression is one that returns an expression operand.

Primary-Expression:
Literal-Operand
Record-Constant
Identifier-Operand
Register-Operand
Integral-TypeName-Operand
Value-Substitution-Operand
LENGTH Identifier-Operand
LENGTHOF Identifier-Operand
MASK Identifier-Operand
SIZE Element-Selection-Expression
SIZEOF Element-Selection-Expression
WIDTH Identifier-Operand
Parenthesized-Expression
Indirected-Expression
Compound-Initializer