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