Dala Formula Language

The Dala Formula Language is a light weight language, that is heavily inspired by Excel and Google Sheets formulas, for example: SUM(1, 2, 3, 4, 5) will yield 15.

It is currently a work in progress.

Primitives

These primitive values are used as arguments and as return values from functions.

| Primitive | Description | Syntax | | --------- | ------------------------------------------------ | -------------------- | | Str | A string of characters enclosed by double quotes | "Hello World" | | Num | A number | 1, 2.5, 3.1415 | | Boolean | A boolean value | TRUE, FALSE |

CONCAT(a, b, c, ...) -> Str

Description

Concatenates all the arguments together into a single string.

Arguments

This function takes one or more arguments.

Non Str arguments will be implictly converted to Str, before being concatenated.

| Name | Description | Type | | ---- | -------------------------------------- | --------------------------- | | a | The first string to concat | Str or Num or Boolean | | b | The second string to concat (optional) | Str or Num or Boolean | | ... | The rest of the strings (optional) | Str or Num or Boolean |

Return Value

| Type | Description | | ----- | --------------------------------------------- | | Str | All arguments concatenated as a single string |

Example

dala CONCAT("Hello", " ", "World") -> "Hello World"

SUM(a, b, c, ...) -> Num

Description

Sums all the arguments together.

Arguments

This function takes one or more arguments.

| Name | Description | Type | | ---- | --------------------------------------- | ----- | | a | The first number to sum | Num | | b | The second number to sum (optional) | Num | | ... | The rest of the numbers to sum (option) | Num |

Return Value

| Type | Description | | ----- | ----------------------- | | Num | All arguments summed up |

Example

dala SUM(1, 2, 3, 4, 5) -> 15

UPPER(a) -> Str

Description

Converts the string to upper case.

Arguments

Non Str arguments will be implictly converted to Str, before being concatenated.

| Name | Description | Type | | ---- | ------------------- | --------------------------- | | a | The string to upper | Str or Num or Boolean |

Return Value

| Type | Description | | ----- | ------------------ | | Str | The upper case str |

Example

dala UPPER("Hello World") -> "HELLO WORLD"