package httpx

import (
	"context"
)

// ctxKey is the type of this package's context keys.
type ctxKey int

// requestIDKey is the context key of the request ID.
const requestIDKey ctxKey = iota

// WithRequestID stores a request ID in the context.
func WithRequestID(ctx context.Context, id string) context.Context {
	return context.WithValue(ctx, requestIDKey, id)
}

// RequestID returns the request ID stored in ctx, or "".
func RequestID(ctx context.Context) string {
	id, _ := ctx.Value(requestIDKey).(string)
	return id
}