Expressions calculate a result and substitute the result in place of the expression much like variable references.

Given:
!define X {1}
!define Y {2}
!define Z {3}


The following expressions yields 10: 
 ${= ${X} + ${Y} + ${Z} + 4 =}


Actual Markup

variable defined: X=1
variable defined: Y=2
variable defined: Z=3

The result is 10?: 10 yes!

Advanced Notation


Complete Syntax
${= [% format :] expression =}

Where format is a single numeric or boolean format specifier defined by the Java Formatter class conversions.

Examples
Mark Up Result
${=1+2+3=} 6
${=12E+2 + 34=} 1234
${=%03d:1+2+3=} 006
${=%02X:10+1=} 09
${= %02x : 10 + 1 =} 09
${= %03.2f : 10.12345678 =} 10.12
${=%b: 1 =} true
${=%b: 0 =} false
${=%B: 6 =} true
${=%B: -2 =} true

Formatting Locale

The formatting locale can be overriden by setting the FORMAT_LOCALE variable.

Example
!define FORMAT_LOCALE {fr}


See: <Fit Nesse .Suite Acceptance Tests .Suite Widget Tests .Test Evaluator

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