StringCompare

String comparison.

Declaration

Syntax

StringCompare(expr left, cmpop op, expr right, ttype type, expr? value)

Arguments

Argument Name

Argument Description

left

left side of comparison operator

right

right side of comparison operator

type

table entry type

value

expression value

op

operand

Return values

The return value is the expression that the StringCompare represents.

Description

StringCompare represents string comparison expression type. Comparisons are:

  1. lexicographically less than, or less than equal to

  2. lexicographically greater than, or greater than or equal to

  3. Equal to

  4. Not equal to

Types

Only accepts strings.

Examples

"aaa" > "bbb"

ASR:

(TranslationUnit
    (SymbolTable
        1
        {

        })
    [(StringCompare
        (StringConstant
            "aaa"
            (Character 1 3 () [])
        )
        Gt
        (StringConstant
            "bbb"
            (Character 1 3 () [])
        )
        (Logical 4 [])
        (LogicalConstant
            .false.
            (Logical 4 [])
        )
    )]
)

See Also