Documentation
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Overview ¶
Package funcs implements source-local @func declarations. Function bodies are pure expressions, callable from projections, conditions, and argument maps.
Index ¶
Constants ¶
View Source
const ID = "func"
Variables ¶
View Source
var Directive = compiler.Directive{ Name: "func", Example: `@func commerce.shippingFeeMinor(subtotalMinor int, destinationZone string) int { subtotalMinor >= 5000 && destinationZone == "domestic" ? 0 : 599 }`, Handler: handleDirective, OpaqueBlock: true, }
Directive parses pure, single-expression function declarations. Its signature follows Go's name-then-type convention; braced bodies are expression syntax, not Go statement blocks.
Functions ¶
func Bundle ¶
Bundle contributes the @func directive, expression compiler, and projection primary for each prepared source. No function definitions are placed in a process-global registry.
func ExpressionCompilerFromMeta ¶
func ExpressionCompilerFromMeta(meta map[string]any) compiler.ExpressionCompiler
ExpressionCompilerFromMeta returns a compiler for all functions visible in one source, including functions mounted through its @include namespaces.
Types ¶
type FunctionDeclaration ¶
type FunctionDeclaration struct {
Name string
Parameters []projection.FunctionParameter
Result string
Body string
Position compiler.Position
}
FunctionDeclaration is the source-level representation stored by @func.
Source Files
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