55 lines
1.5 KiB
Go
55 lines
1.5 KiB
Go
// Copyright (c) 2026 Probo Inc <hello@getprobo.com>.
|
|
//
|
|
// Permission to use, copy, modify, and/or distribute this software for any
|
|
// purpose with or without fee is hereby granted, provided that the above
|
|
// copyright notice and this permission notice appear in all copies.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
|
|
// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
|
|
// AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
|
|
// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
|
|
// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
|
|
// OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
|
|
// PERFORMANCE OF THIS SOFTWARE.
|
|
|
|
package agent
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
)
|
|
|
|
type runContextKey struct{}
|
|
|
|
func WithRunContext(ctx context.Context, val any) context.Context {
|
|
return context.WithValue(ctx, runContextKey{}, val)
|
|
}
|
|
|
|
func RunContextFrom[C any](ctx context.Context) C {
|
|
val := ctx.Value(runContextKey{})
|
|
if val == nil {
|
|
var zero C
|
|
panic(fmt.Sprintf("agent: no run context found (expected %T)", zero))
|
|
}
|
|
|
|
typed, ok := val.(C)
|
|
if !ok {
|
|
var zero C
|
|
panic(fmt.Sprintf("agent: run context type mismatch: stored %T, requested %T", val, zero))
|
|
}
|
|
|
|
return typed
|
|
}
|
|
|
|
func TryRunContextFrom[C any](ctx context.Context) (C, bool) {
|
|
val := ctx.Value(runContextKey{})
|
|
if val == nil {
|
|
var zero C
|
|
return zero, false
|
|
}
|
|
|
|
typed, ok := val.(C)
|
|
|
|
return typed, ok
|
|
}
|