Macaulay2 » Documentation
Packages » Macaulay2Doc » The Macaulay2 language » Thing » Symbol » isGlobalSymbol

next | previous | forward | backward | up | index | toc

isGlobalSymbol -- whether a global symbol with a given name exists

Usage:

isGlobalSymbol s
Inputs:
- s, a string
Outputs:
- a Boolean value, whether a global symbol with the name contained in the string
- s
- has been defined

Description

The search for the symbol runs through the dictionaries in the list dictionaryPath.

i1 : isGlobalSymbol "res"

o1 = true

i2 : isGlobalSymbol "resres"

o2 = false

See also

dictionaryPath
getGlobalSymbol -- create a global symbol in a global dictionary

For the programmer

The object isGlobalSymbol is a compiled function.

The source of this document is in Macaulay2Doc/functions/isGlobalSymbol-doc.m2:18:0.