KSL Wiki

Unit

Unit[]

Returns the Unit value, which represents the absence of a meaningful value.

• Returns Unit[]. When printed, it displays as ().

Unit[];  (* => () *)

Update

Update[symbol, value]

Modifies the binding of symbol in its original scope to value. Unlike Let, which creates a local shadow, Update affects the variable in the enclosing environment.

• Returns Unit[].

Let[a, 10];
Block[Update[a, 20]];
Print[a];  (* => 20 *)

Uppercase

Uppercase[s]

Converts all characters in string s to uppercase.

• Returns a new String.

Uppercase["hello world"];  (* => "HELLO WORLD" *)
Uppercase["ksl"];          (* => "KSL" *)

Use

Use[module, member]

Accesses a member member from a previously loaded module.

• module is the symbol bound via Load.
• member is the symbol to retrieve from the module.
• Returns the value of member from the module.

Load[ss, "std/string"];
Use[ss, Capitalize]["ksl"];  (* => "Ksl" *)