@thi.ng/pointfree/dataflow.d.ts

Pointfree functional composition / Forth style stack execution engine

import type { StackContext } from "./api.js";
/**
 * Removes `x` from d-stack, calls `q` and restores `x` to the top of
 * the d-stack after quotation is finished.
 *
 * Stack effect: `( x q -- x )`
 *
 * Same behavior as: `[swap, movdr, exec, movrd]`, only the current
 * implementation doesn't use r-stack and stashes `x` off stack.
 *
 * @param ctx -
 */
export declare const dip: (ctx: StackContext) => StackContext;
/**
 * Removes `x y` from d-stack, calls `q` and restores removed vals
 * to the top of the d-stack after quotation is finished.
 *
 * Stack effect: `( x y q -- x y )`
 */
export declare const dip2: import("./api.js").StackFn;
/**
 * Removes `x y z` from d-stack, calls `q` and restores removed
 * vals to the top of the d-stack after quotation is finished.
 *
 * Stack effect: `( x y z q -- x y z )`
 */
export declare const dip3: import("./api.js").StackFn;
/**
 * Removes `x y z w` from d-stack, calls `q` and restores removed
 * vals to the top of the d-stack after quotation is finished.
 *
 * Stack effect: `( x y z w q -- x y z w )`
 */
export declare const dip4: import("./api.js").StackFn;
/**
 * Calls a quotation with a value on the d-stack, restoring the value
 * after quotation finished.
 *
 * Stack effect: `( x q -- .. x )`
 */
export declare const keep: import("./api.js").StackFn;
/**
 * Call a quotation with two values on the stack, restoring the values
 * after quotation finished.
 *
 * Stack effect: `( x y q -- .. x y )`
 */
export declare const keep2: import("./api.js").StackFn;
/**
 * Call a quotation with three values on the stack, restoring the values
 * after quotation finished.
 *
 * Stack effect: `( x y z q -- .. x y z )`
 */
export declare const keep3: import("./api.js").StackFn;
/**
 * First applies `p` to the value `x`, then applies `q` to the same
 * value.
 *
 * Stack effect: `( x p q -- px qx )`
 */
export declare const bi: import("./api.js").StackFn;
/**
 * First applies `p` to the two input values `x y`, then applies `q` to
 * the same values.
 *
 * Stack effect: `( x y p q -- pxy qxy )`
 */
export declare const bi2: import("./api.js").StackFn;
/**
 * First applies `p` to the three input values `x y z`, then applies `q`
 * to the same values.
 *
 * Stack effect: `( x y z p q -- pxyz qxyz )`
 */
export declare const bi3: import("./api.js").StackFn;
/**
 * Applies `p` to `x`, then `q` to `x`, and finally `r` to `x`
 *
 * Stack effect: `( x p q r -- px qx rx )`
 */
export declare const tri: import("./api.js").StackFn;
/**
 * Applies `p` to the two input values `x y`, then same with `q`, and
 * finally with `r`.
 *
 * Stack effect: `( x y p q r -- pxy qxy rxy )`
 */
export declare const tri2: import("./api.js").StackFn;
/**
 * Applies `p` to the three input values `x y z`, then same with `q`,
 * and finally with `r`.
 *
 * Stack effect: `( x y z p q r -- pxyz qxyz rxyz )`
 */
export declare const tri3: import("./api.js").StackFn;
/**
 * Applies `p` to `x`, then applies `q` to `y`.
 *
 * Stack effect: `( x y p q -- px qy )`
 */
export declare const bis: import("./api.js").StackFn;
/**
 * Applies `p` to `a b`, then applies `q` to `c d`.
 *
 * Stack effect: `( a b c d p q -- pab qcd )`
 */
export declare const bis2: import("./api.js").StackFn;
/**
 * Applies `p` to `x`, then `q` to `y`, and finally `r` to `z`.
 *
 * Stack effect: `( x y z p q r -- )`
 */
export declare const tris: import("./api.js").StackFn;
/**
 * Applies `p` to `u v`, then `q` to `w x`, and finally `r` to `y z`.
 *
 * Stack effect: `( u v w x y z p q r -- puv qwx ryz )`
 */
export declare const tris2: import("./api.js").StackFn;
/**
 * Applies the quotation `q` to `x`, then to `y`.
 *
 * Stack effect: `( x y q -- qx qy )`
 */
export declare const bia: import("./api.js").StackFn;
/**
 * Applies the quotation `q` to `x y`, then to `z w`.
 *
 * Stack effect: `( x y z w q -- qxy qzw )`
 */
export declare const bia2: import("./api.js").StackFn;
/**
 * Applies the `q` to `x`, then to `y`, and finally to `z`.
 *
 * Stack effect: `( x y z q -- qx qy qz )`
 */
export declare const tria: import("./api.js").StackFn;
/**
 * Applies the quotation to `u v`, then to `w x`, and then to `y z`.
 *
 * Stack effect: `( u v w x y z q -- quv qwx qyz )`
 */
export declare const tria2: import("./api.js").StackFn;
/**
 * Applies `q` individually to both input vals `x y` and combines
 * results with `and`. The final result will be true if both interim
 * results were truthy.
 *
 * Stack effect: `( x y q -- qx && qy )`
 */
export declare const both: import("./api.js").StackFn;
/**
 * Applies `q` individually to both input vals `x y` and combines results with `or`.
 * The final result will be true if at least one of the interim results
 * was truthy.
 *
 * Stack effect: `( x y q -- qx || qy )`
 */
export declare const either: import("./api.js").StackFn;
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