Helpers (issie)

Helpers Module

Namespace: global
Assembly: Renderer.dll

Nested modules

Modules	Description
JsonHelpers
PrintSimple	Functions to print human-readable version of CanvasState
ReduceKeys	Take a project and compress all of the IDs.

Functions and values

Function or value	Description
`assertThat cond msg` Full Usage: `assertThat cond msg` Parameters: cond : `bool` msg : `string`	cond : `bool` msg : `string`
`cropToLength len fromStart str` Full Usage: `cropToLength len fromStart str` Parameters: len : `int` fromStart : `bool` str : `string` Returns: `string`	Crop a string to the specified length. fromStart indicates whether you want the first characters or the last characters. len : `int` fromStart : `bool` str : `string` Returns: `string`
`getCustomComponentType _arg1` Full Usage: `getCustomComponentType _arg1` Parameters: _arg1 : `ComponentType` Returns: `CustomComponentType`	_arg1 : `ComponentType` Returns: `CustomComponentType`
`getCustomName _arg1` Full Usage: `getCustomName _arg1` Parameters: _arg1 : `ComponentType` Returns: `string`	_arg1 : `ComponentType` Returns: `string`
`getMemData address memData` Full Usage: `getMemData address memData` Parameters: address : `bigint` memData : `Memory1` Returns: `bigint`	address : `bigint` memData : `Memory1` Returns: `bigint`
`isCustom _arg1` Full Usage: `isCustom _arg1` Parameters: _arg1 : `ComponentType` Returns: `bool`	_arg1 : `ComponentType` Returns: `bool`
`isIOLabel _arg1` Full Usage: `isIOLabel _arg1` Parameters: _arg1 : `ComponentType` Returns: `bool`	_arg1 : `ComponentType` Returns: `bool`
`isInput _arg1` Full Usage: `isInput _arg1` Parameters: _arg1 : `ComponentType` Returns: `bool`	_arg1 : `ComponentType` Returns: `bool`
`isOutput _arg1` Full Usage: `isOutput _arg1` Parameters: _arg1 : `ComponentType` Returns: `bool`	_arg1 : `ComponentType` Returns: `bool`
`isViewer _arg1` Full Usage: `isViewer _arg1` Parameters: _arg1 : `ComponentType` Returns: `bool`	_arg1 : `ComponentType` Returns: `bool`
`listSet lst item idx` Full Usage: `listSet lst item idx` Parameters: lst : `'a list` item : `'a` idx : `int` Returns: `'a list`	Set an element of the list at the specified position. This function is slow: O(n). Do not use unless necessary. lst : `'a list` item : `'a` idx : `int` Returns: `'a list`
`mapFindWithDef defVal key map` Full Usage: `mapFindWithDef defVal key map` Parameters: defVal : `'b` key : `'a` map : `Map<'a, 'b>` Returns: `'b` Modifiers: inline Type parameters: 'b, 'a	Look up key in map, return defVal if key is not found defVal : `'b` key : `'a` map : `Map<'a, 'b>` Returns: `'b`
`mapInverse m` Full Usage: `mapInverse m` Parameters: m : `Map<'A, 'B>` Returns: `Map<'B, 'A>` Modifiers: inline Type parameters: 'A, 'B	create inverse map m : `Map<'A, 'B>` Returns: `Map<'B, 'A>`
`mapKeys map` Full Usage: `mapKeys map` Parameters: map : `Map<'a, 'b>` Returns: `'a[]` Modifiers: inline Type parameters: 'a, 'b	Array of map keys map : `Map<'a, 'b>` Returns: `'a[]`
`mapPair f (arg2, arg3)` Full Usage: `mapPair f (arg2, arg3)` Parameters: f : `'S -> 'T` arg1 : `'S` arg2 : `'S` Returns: `'T * 'T` Modifiers: inline Type parameters: 'S, 'T	Map a function over a pair of elements. mapPair f (x,y) = f x, f y. f : `'S -> 'T` arg1 : `'S` arg2 : `'S` Returns: `'T * 'T`
`mapUnion m1 m2` Full Usage: `mapUnion m1 m2` Parameters: m1 : `Map<'a, 'b>` m2 : `Map<'a, 'b>` Returns: `Map<'a, 'b>` Modifiers: inline Type parameters: 'a, 'b	Union of maps, common keys take m1 value m1 : `Map<'a, 'b>` m2 : `Map<'a, 'b>` Returns: `Map<'a, 'b>`
`mapUpdateWithDef defVal update key map` Full Usage: `mapUpdateWithDef defVal update key map` Parameters: defVal : `'b` update : `'b -> 'b` key : `'a` map : `Map<'a, 'b>` Returns: `Map<'a, 'b>` Modifiers: inline Type parameters: 'b, 'a	If key exists in map: (key:v) -> (key:update v), otherwise create new item (key : update v) defVal : `'b` update : `'b -> 'b` key : `'a` map : `Map<'a, 'b>` Returns: `Map<'a, 'b>`
`mapValues map` Full Usage: `mapValues map` Parameters: map : `Map<'a, 'b>` Returns: `'b[]` Modifiers: inline Type parameters: 'a, 'b	Array of map values map : `Map<'a, 'b>` Returns: `'b[]`
`memoizeBy keyFunc funcToMemoize` Full Usage: `memoizeBy keyFunc funcToMemoize` Parameters: keyFunc : `'a -> 'k` funcToMemoize : `'a -> 'c` Returns: `'a -> 'c`	Return a memoized version of funcToMemoize where. Repeated calls with equivalent inputs return a stored result. Inputs a, a' are deemed equivalent if keyFunc a = keyFunc a'. Use this as well as LazyView etc, it has a different usage since it need not have React output and comparison is via a key function. keyFunc : `'a -> 'k` funcToMemoize : `'a -> 'c` Returns: `'a -> 'c`
`nocr s` Full Usage: `nocr s` Parameters: s : `string` Returns: `string`	replace new lines in a string by ';' for easier debug printing of records using %A s : `string` Returns: `string`
`pow2 exponent` Full Usage: `pow2 exponent` Parameters: exponent : `int` Returns: `int`	Return 2^exponent. exponent : `int` Returns: `int`
`shortPComp comp` Full Usage: `shortPComp comp` Parameters: comp : `Component` Returns: `string`	comp : `Component` Returns: `string`
`sprintInitial n s` Full Usage: `sprintInitial n s` Parameters: n : `int` s : `string` Returns: `string`	return initial n characters of a string n : `int` s : `string` Returns: `string`
`swapArrayEls i1 i2 arr` Full Usage: `swapArrayEls i1 i2 arr` Parameters: i1 : `int` i2 : `int` arr : `'a[]` Returns: `'a[]`	Returns a new array with the elements at index i1 and index i2 swapped i1 : `int` i2 : `int` arr : `'a[]` Returns: `'a[]`
`testMatch diffX diffY normRot` Full Usage: `testMatch diffX diffY normRot` Parameters: diffX : `float` diffY : `float` normRot : `int` Returns: `float list`	diffX : `float` diffY : `float` normRot : `int` Returns: `float list`
`tryFindError lst` Full Usage: `tryFindError lst` Parameters: lst : `Result<'a, 'b> list` Returns: `Result<'a list, 'b>`	Return the first error found in a list of results, or the list of Oks if there are none. lst : `Result<'a, 'b> list` Returns: `Result<'a list, 'b>`