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The positional-lambda Reference Manual

This is the positional-lambda Reference Manual, version 2.0, generated automatically by Declt version 4.0 beta 2 "William Riker" on Sun Jun 15 06:57:13 2025 GMT+0.

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1 Introduction

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2 Systems

The main system appears first, followed by any subsystem dependency.

positional-lambda

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2.1 `positional-lambda`

positional-lambda is a concise, intuitive and flexible syntax (macro) for trivial lambdas that eschews explicit (and often contextually-redundant) naming of parameter variables in favor of positional references, with support for a used or ignored &rest parameter and automatic declaration of ignored parameters when logical "gaps" are left in the positional references. Further convenience features are provided.

Author

Jean-Philippe Paradis <hexstream@gmail.com>

License

Public Domain

Version

2.0

Dependency

map-bind (system).

Source

positional-lambda.asd.

Child Components

package.lisp (file).
main.lisp (file).

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3 Files

Files are sorted by type and then listed depth-first from the systems components trees.

Lisp

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3.1 Lisp

positional-lambda/positional-lambda.asd
positional-lambda/package.lisp
positional-lambda/main.lisp

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3.1.1 `positional-lambda/positional-lambda.asd`

Source: positional-lambda.asd.
Parent Component: positional-lambda (system).
ASDF Systems: positional-lambda.

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3.1.2 `positional-lambda/package.lisp`

Source: positional-lambda.asd.
Parent Component: positional-lambda (system).
Packages: positional-lambda.

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3.1.3 `positional-lambda/main.lisp`

Dependency

package.lisp (file).

Source

positional-lambda.asd.

Parent Component

positional-lambda (system).

Public Interface

plambda (macro).

Internals

%assemble (function).
%compute-lambda-list (function).
%gensym-generator (function).
%make-bindings-accumulator (function).
%make-lambda-list-accumulator (function).
%make-positional-gaps-filler (function).
%make-positional-vars-accumulator (function).
%make-walking-state-closures (function).
%parse-body (function).
%positional-ref-p (function).
%processing-local-special-forms (function).
%standard-expansion-process (function).
%standard-local-special-forms (function).
%walk (function).
multiple-value-&bind (macro).

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4 Packages

Packages are listed by definition order.

positional-lambda

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4.1 `positional-lambda`

Source

package.lisp.

Nickname

plambda

Use List

common-lisp.

Public Interface

plambda (macro).

Internals

%assemble (function).
%compute-lambda-list (function).
%gensym-generator (function).
%make-bindings-accumulator (function).
%make-lambda-list-accumulator (function).
%make-positional-gaps-filler (function).
%make-positional-vars-accumulator (function).
%make-walking-state-closures (function).
%parse-body (function).
%positional-ref-p (function).
%processing-local-special-forms (function).
%standard-expansion-process (function).
%standard-local-special-forms (function).
%walk (function).
multiple-value-&bind (macro).

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5 Definitions

Definitions are sorted by export status, category, package, and then by lexicographic order.

Public Interface
Internals

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5.1 Public Interface

Macros

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5.1.1 Macros

Macro: plambda (&body body) ¶

Package: positional-lambda.
Source: main.lisp.

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5.2.1 Macros

Macro: multiple-value-&bind (lambda-list values-form &body body) ¶

Package: positional-lambda.
Source: main.lisp.

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5.2.2 Ordinary functions

Function: %assemble (body &key let-bindings lambda-list ignored-vars &allow-other-keys) ¶

Package: positional-lambda.
Source: main.lisp.

Function: %compute-lambda-list (used-required-vars min-length rest-usage rest-var) ¶

Package: positional-lambda.
Source: main.lisp.

Function: %gensym-generator (&optional default-base) ¶

Package: positional-lambda.
Source: main.lisp.

Function: %make-bindings-accumulator () ¶

Package: positional-lambda.
Source: main.lisp.

Function: %make-lambda-list-accumulator () ¶

Package: positional-lambda.
Source: main.lisp.

Function: %make-positional-gaps-filler (callback &key start min-end) ¶

Package: positional-lambda.
Source: main.lisp.

Function: %make-positional-vars-accumulator (var-function) ¶

Package: positional-lambda.
Source: main.lisp.

Function: %make-walking-state-closures (&key min-length-indicator accept-rest-p &allow-other-keys) ¶

Package: positional-lambda.
Source: main.lisp.

Function: %parse-body (body) ¶

Package: positional-lambda.
Source: main.lisp.

Function: %positional-ref-p (object) ¶

Package: positional-lambda.
Source: main.lisp.

Function: %processing-local-special-forms (local-special-forms-alist else) ¶

Package: positional-lambda.
Source: main.lisp.

Function: %standard-expansion-process (parse-body make-walking-state make-local-special-forms assemble) ¶

Package: positional-lambda.
Source: main.lisp.

Function: %standard-local-special-forms (&key add-let-binding &allow-other-keys) ¶

Package: positional-lambda.
Source: main.lisp.

Function: %walk (body process-possible-terminal) ¶

Package: positional-lambda.
Source: main.lisp.

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Appendix A Indexes

Concepts
Functions
Variables
Data types

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A.1 Concepts

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A.2 Functions

Jump to:	% F M P

	Index Entry	Section

%
	`%assemble`:	Private ordinary functions
	`%compute-lambda-list`:	Private ordinary functions
	`%gensym-generator`:	Private ordinary functions
	`%make-bindings-accumulator`:	Private ordinary functions
	`%make-lambda-list-accumulator`:	Private ordinary functions
	`%make-positional-gaps-filler`:	Private ordinary functions
	`%make-positional-vars-accumulator`:	Private ordinary functions
	`%make-walking-state-closures`:	Private ordinary functions
	`%parse-body`:	Private ordinary functions
	`%positional-ref-p`:	Private ordinary functions
	`%processing-local-special-forms`:	Private ordinary functions
	`%standard-expansion-process`:	Private ordinary functions
	`%standard-local-special-forms`:	Private ordinary functions
	`%walk`:	Private ordinary functions

F
	`Function, %assemble`:	Private ordinary functions
	`Function, %compute-lambda-list`:	Private ordinary functions
	`Function, %gensym-generator`:	Private ordinary functions
	`Function, %make-bindings-accumulator`:	Private ordinary functions
	`Function, %make-lambda-list-accumulator`:	Private ordinary functions
	`Function, %make-positional-gaps-filler`:	Private ordinary functions
	`Function, %make-positional-vars-accumulator`:	Private ordinary functions
	`Function, %make-walking-state-closures`:	Private ordinary functions
	`Function, %parse-body`:	Private ordinary functions
	`Function, %positional-ref-p`:	Private ordinary functions
	`Function, %processing-local-special-forms`:	Private ordinary functions
	`Function, %standard-expansion-process`:	Private ordinary functions
	`Function, %standard-local-special-forms`:	Private ordinary functions
	`Function, %walk`:	Private ordinary functions

M
	`Macro, multiple-value-&bind`:	Private macros
	`Macro, plambda`:	Public macros
	`multiple-value-&bind`:	Private macros

P
	`plambda`:	Public macros

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A.3 Variables

Previous: Variables, Up: Indexes [Contents][Index]

A.4 Data types

Jump to:	F M P S

	Index Entry	Section

F
	`File, main.lisp`:	The positional-lambda/main․lisp file
	`File, package.lisp`:	The positional-lambda/package․lisp file
	`File, positional-lambda.asd`:	The positional-lambda/positional-lambda․asd file

M
	`main.lisp`:	The positional-lambda/main․lisp file

P
	`Package, positional-lambda`:	The positional-lambda package
	`package.lisp`:	The positional-lambda/package․lisp file
	`positional-lambda`:	The positional-lambda system
	`positional-lambda`:	The positional-lambda package
	`positional-lambda.asd`:	The positional-lambda/positional-lambda․asd file

S
	`System, positional-lambda`:	The positional-lambda system

The positional-lambda Reference Manual

Table of Contents

1 Introduction

2 Systems

2.1 positional-lambda

3 Files

3.1 Lisp

3.1.1 positional-lambda/positional-lambda.asd

3.1.2 positional-lambda/package.lisp

3.1.3 positional-lambda/main.lisp

4 Packages

4.1 positional-lambda

5 Definitions

5.1 Public Interface

5.1.1 Macros

5.2 Internals

5.2.1 Macros

5.2.2 Ordinary functions

Appendix A Indexes

A.1 Concepts

A.2 Functions

A.3 Variables

A.4 Data types

2.1 `positional-lambda`

3.1.1 `positional-lambda/positional-lambda.asd`

3.1.2 `positional-lambda/package.lisp`

3.1.3 `positional-lambda/main.lisp`

4.1 `positional-lambda`