states

/pkg/history

cd /

[!NOTE] asyncmachine-go is a pathless control-flow graph with a consensus (AOP, actor model, state-machine).

Editor Support

This doc file contains tips on how to handle the bulk of boilerplate needed for asyncmachine-go.

Agent Skills

Using LLMs to generate boilerplate is often faster than using am-gen or using live templates. Dirs with SKILL.md files are auto-generated from documentation using the command below. Each skill being a single file can easily be copy-pasted and guarantees the highest compatibility.

# in repo root
./scripts/dep-taskfile.sh
task gen-docs-skills
cp ./docs/editors/skills/* $DEST

Token Usage

Skills are divided based on token usage, each fully contained within a single SKILL.md file.

• /am-mini ~1.3k tokens - compacted version
• /am ~2.9k tokens - basic boilerplate
• /am-cook ~11k tokens - also includes /docs/cookbook.md
• /am-full ~18k tokens - also includes /docs/manual.md

Live Templates

Live templates expand semantically inside Goland IDE for fast tab-completion.

Handler

• am

var _ = $SS$.$STATE$
func ($N$ *$HANDLERS$) $STATE$$TYPE$(e *am.Event) $RET$ {
   $END$
}

Handler With Boilerplate

• am2

var _ = $SS$.$STATE$
func ($N$ *$HANDLERS$) $STATE$$TYPE$(e *am.Event) $RET$ {
    ctx := $N$.Mach.NewStateCtx($STATE$)
    mach := $N$.Mach

    mach.Fork(ctx, e, func() {
        $END$
    })
}

Error Setter

• amerr

var Err$NAME$ = errors.New("$NAME2$ error")

// AddErr$NAME$ adds [Err$NAME$].
func AddErr$NAME$(
    event *am.Event, mach *am.Machine, err error, args ...am.A,
) am.Result {
    if err == nil {
        return am.Executed
    }
    err = fmt.Errorf("%w: %w", Err$NAME$, err)

    return mach.EvAddErrState(event, ss.Err$NAME$, err, am.OptArgs(args))
}

Context Expiration Check

• ctxexp

if ctx.Err() != nil {
    return // expired
}$END$