( ) (parentheses)

Grouping operator in expressions (treat any expression as a factor)

Example:

put 5 * (3 + 8) --> 55

Used around parameters in a function call expression

Example:

put average(2,4,6,8) --> 5

Used (required) around the selector operator

Example:

put (if x then y else z) into res

Used to treat the value of any expression as an identifier

Example:

set foo.("prop" & 1) to 7 --> sets foo's "prop1" property to 7

Used to treat the value of any expression as an object for obtaining a property using 's and '.'

Example:

put ("script" & 2)'s counter

Used to apply a unit to the value of an expression when it is followed by a unit name

Example:

set height to (a + b) inches

Used optionally in a variety of situations

• used optionally around formal parameter declaration
• used optionally around parameter value
• used optionally around factor list
• used optionally around helper list
• used optionally around a container

Used around lists or property lists instead of [ ] or

ノート

SenseTalk is very accommodating about the brackets used for collections, allowing any of ( ), [ ], or { } around both lists and property lists. However, it is strongly encouraged to always use { } for property lists, and [ ] for lists.