spec/index.md

Simple Extensible Human Notation (.sehn)

Base Kinds

name	description
none	Represents nothing
bool	Represents a boolean value
real	Represents a real number
text	Represents text
dict	A key-value structure
list	A collection structure
kind	A reflective kind

none

A none represents the absence of any value.

bool

1. true
2. false

real

1. <int>
2. <sig>e<exp>
3. <int>.<frac>

part	allowed value
int	-?[1-9][0-9]*
frac	[0-9]*
sig	<int>
exp	<int>

text

1. "<text>"
2. Multiline:

   `
       "<text>"
       "<text>"
   `
   

A text value holds low and behold, text.

dict

1. {"<text>": <any>, ...}

A dictionary is a structure with text keys mapping to any value.

list

1. [<any>, ...]

A list is a structure with a sequence of any value.

kind

1. <base-kind>
2. <standard-kind>
3. <app-kind>

kind	allowed value
<base-kind>	none|bool|real|text|dict|list|kind
<standard-kind>	(?!(<base-kind>))[a-z][a-z0-9/]*
<app-kind>	[A-Z][a-zA-Z0-9\]*