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    QGIS API Documentation
    2.18.21-Las Palmas (9fba24a)
    
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#include <QVariant>#include <QHash>#include <QString>#include <QStringList>#include <QSet>#include "qgsexpression.h"

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Classes | |
| class | QgsExpressionContext | 
| Expression contexts are used to encapsulate the parameters around which a QgsExpression should be evaluated.  More... | |
| class | QgsExpressionContextScope | 
| Single scope for storing variables and functions for use within a QgsExpressionContext.  More... | |
| class | QgsExpressionContextUtils | 
| Contains utilities for working with QgsExpressionContext objects, including methods for creating scopes for specific uses (eg project scopes, layer scopes).  More... | |
| class | QgsScopedExpressionFunction | 
| Expression function for use within a QgsExpressionContextScope.  More... | |
| struct | QgsExpressionContextScope::StaticVariable | 
| Single variable definition for use within a QgsExpressionContextScope.  More... | |
 1.8.13