39 lines
1.1 KiB
Go
39 lines
1.1 KiB
Go
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// Package goose contains directives for goose code generation.
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package goose
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// ProviderSet is a marker type that collects a group of providers.
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type ProviderSet struct{}
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// NewSet creates a new provider set that includes the providers in
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// its arguments. Each argument is either an exported function value,
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// an exported struct (zero) value, or a call to Bind.
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func NewSet(...interface{}) ProviderSet {
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return ProviderSet{}
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}
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// Use is placed in the body of an injector function to declare the
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// providers to use. Its arguments are the same as NewSet. Its return
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// value is an error message that can be sent to panic.
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//
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// Example:
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//
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// func injector(ctx context.Context) (*sql.DB, error) {
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// panic(Use(otherpkg.Foo, myProviderFunc, goose.Bind()))
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// }
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func Use(...interface{}) string {
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return "implementation not generated, run goose"
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}
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// A Binding maps an interface to a concrete type.
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type Binding struct{}
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// Bind declares that a concrete type should be used to satisfy a
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// dependency on iface.
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//
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// Example:
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//
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// var MySet = goose.NewSet(goose.Bind(MyInterface(nil), new(MyStruct)))
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func Bind(iface, to interface{}) Binding {
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return Binding{}
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}
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