Table of Contents
Conversion rules
nul to:
- ATOM
- ‘’
- INTEGER
- 0
- FLOAT
- 0.0
- VECTOR
- | 0.0 0.0 0.0 0.0 |
- REFERENCE
- ‘’#0 (nul)
- INSTANCE
- nul
- list
- {}
- function parameter
- default value
ATOM to:
- INTEGER
- ‘’ converts to 0
- all other values convert to 1
- FLOAT
- ‘’ converts to 0.0
- all other values convert to 1.0
- VECTOR
- ‘’ converts to | 0.0 0.0 0.0 0.0 |
- all other values convert to | 1.0 1.0 1.0 1.0 |
- REFERENCE
- ‘’ converts to nul
- all other values convert to <atom>#0. If <atom>#0 does not exist, it is created.
- INSTANCE
- converts to nul
- list
- converts to a single item list.
- type of the list defines the conversion rule for the single item.
- ARRAY
- converts to a single item array
- item[1] contains the pointer to the input token
INTEGER to:
- FLOAT
- common conversion
- VECTOR
- converts to | value value value value |
- ATOM
- 0 converts to ‘’
- all other values convert to ‘true’
- REFERENCE
- converts to nul
- INSTANCE
- converts to nul
- list
- converts to a single item list.
- type of the list defines the conversion rule for the single item.
- ARRAY
- converts to a single item array
- item[1] contains the pointer to the input token
FLOAT to:
- INTEGER
- common conversion
- VECTOR
- converts to | value value value value |
- ATOM
- 0.0 converts to ‘’
- all other values convert to ‘true’
- REFERENCE
- converts to nul
- INSTANCE
- converts to nul
- list
- converts to a single item list.
- type of the list defines the conversion rule for the single item.
- ARRAY
- converts to a single item array
- item[1] contains the pointer to the input token
VECTOR to:
- INTEGER
- x component is used
- FLOAT
- x component is used
- ATOM
- x component 0.0 converts to ‘’
- all other values for x component convert to ‘true’
- REFERENCE
- converts to nul
- INSTANCE
- converts to nul
- list
- converts to a single item list.
- type of the list defines the conversion rule for the single item.
- ARRAY
- converts to a single item array
- item[1] contains the pointer to the input token
REFERENCE to:
- INTEGER
- nul converts to 0
- all valid references convert to 1
- FLOAT
- nul converts to 0.0
- all valid references convert to 1.0
- VECTOR
- nul converts to | 0.0 0.0 0.0 0.0 |
- all valid references convert to | 1.0 1.0 1.0 1.0 |
- ATOM
- converts to template name of the OBJECT
- INSTANCE
- converts to nul (todo: converts to owned engine object)
- list
- converts to a single item list.
- type of the list defines the conversion rule for the single item.
- ARRAY
- converts to a single item array item[1]
- contains the pointer to the input token
INSTANCE to:
- INTEGER
- nul converts to 0
- all valid references convert to 1
- FLOAT
- nul converts to 0.0
- all valid references convert to 1.0
- VECTOR
- nul converts to | 0.0 0.0 0.0 0.0 |
- all valid references convert to | 1.0 1.0 1.0 1.0 |
- ATOM
- converts to nul (todo: INSTANCE name)
- REFERENCE
- converts to nul (todo: converts to owner database object)
- list
- converts to a single item list.
- type of the list defines the conversion rule for the single item.
- ARRAY
- converts to a single item array item[1]
- contains the pointer to the input token
list to:
- single token data type
- empty list converts to nul
- otherwise, list[1] is converted
- different type of list
- a new list is generated and each item is converted
- ARRAY
- an array of pointers to each item in the list is generated
ARRAY to:
- single token data type
- empty list converts to nul
- otherwise, list[1] is converted
- list
- a new list is generated and each item is converted.