eval

package

v0.0.0-...-01651bc Latest Latest Go to latest Published: Apr 14, 2026 License: MIT Imports: 4 Imported by: 0

Details

Valid go.mod file
Redistributable license
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Repository

github.com/smavropoulos/deploy

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Documentation ¶

Overview ¶

Package eval provides expr-lang expression evaluation for deployment YAML files.

It supports two forms of substitution:

Simple variable expansion: ${VAR} and ${env.VAR}
Expression blocks: ${{ expr }} using the expr-lang engine

All environment variables are available as top-level identifiers (e.g. VERSION) and also under the "env" namespace (e.g. env.VERSION).

Index ¶

func Eval(expression string, env map[string]string) (any, error)
func EvalBool(expression string, env map[string]string) (bool, error)
func Expand(s string, env map[string]string) (string, error)

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

func Eval ¶

func Eval(expression string, env map[string]string) (any, error)

Eval evaluates a single expr-lang expression with the given env as variables.

func EvalBool ¶

func EvalBool(expression string, env map[string]string) (bool, error)

EvalBool evaluates an expression that should return a boolean.

func Expand ¶

func Expand(s string, env map[string]string) (string, error)

Expand processes a string, evaluating any ${{ expr }} blocks using expr-lang. The env map is available inside expressions as top-level variables. Regular ${VAR} / ${env.VAR} substitutions are also performed.

Types ¶

This section is empty.

Source Files ¶

View all Source files

eval.go

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