evaluator

package

v0.1.12 Latest Latest Go to latest Published: Jun 11, 2025 License: Apache-2.0 Imports: 9 Imported by: 0

Details

Package evaluator is responsible for evaluating (interpolating) dynamic expressions found in workflow definitions at run-time.

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func Evaluate(expr string, from map[string]interface{}) interface{}

Evaluate evaluates a mathematical or logical expression For example: "i + 1" or "bar.goo / foo.z" or "foo.z * (1 + bar.zoo)"

type ExpressionEvaluator struct{}

ExpressionEvaluator evaluates string expressions with variables

func New() *ExpressionEvaluator

New creates a new expression evaluator

func (e *ExpressionEvaluator) Evaluate(expr string, variables map[string]interface{}) interface{}

Evaluate evaluates an expression string with variables from the context