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CLEAR
Synopsis
Delete any object on the stack, leaving it empty
Description
The CLEAR
command deletes all the objects from the stack. The contents can be recovered pressing immediately after the LF key.
When the stack is in RPN mode CLEAR
fills all the levels with the value of the stack level 4 or level 8, depending on the selected stack depth.
Compatibility
This command is only partially compatible with userRPL.
In particular:
- In userRPL RPN stack mode is not supported.
Usage
4: 123 3: "This is a string" 2: { 'X' 'Y' 'Z' } 1: 1_m …………………………………………………………………………………… CLEAR
will result in an empty stack.
Related Commands
Command | Short Description | |
---|---|---|
CLEAR | Remove all objects from the stack | |
DEPTH | Get the current stack depth | |
DROP | Remove an object from the stack | |
DROP2 | Remove two objects form the stack | |
DROPN | Remove N objects from the stack | |
DUP | Duplicate an object on the stack | |
DUP2 | Duplicate two objects on the stack | |
DUPDUP | Duplicate the same object twice on the stack | |
DUPN | Duplicate a group of N objects | |
NDUPN | Replicate one object N times and return N | |
NIP | Remove object at level 2 on the stack | |
OVER | Duplicate object at level 2 on the stack | |
PICK | Duplicate object at position N on the stack | |
PICK3 | Duplicate object at level 3 on the stack | |
ROLL | Move object at level N to level 1 | |
ROLLD | Move object from level 1 to level N | |
ROT | Move object from level 3 to level 1 | |
SWAP | Exchange objects in levels 1 and 2 | |
UNPICK | Move object from level 1 to level N. | |
UNROT | Move object from level 1 to level 3 | |
IFT | Evaluate objects on the stack conditionally | |
IFTE | Evaluate objects on the stack conditionally | |
STKPUSH | Push a snapshot of the current stack on the undo stack | NEW |
STKPOP | Pop a stack snapshot from the undo stack | NEW |
STKDROP | Drop a snapshot from the undo stack | NEW |
STKPICK | Copy snapshot in level N to the current stack | NEW |
STKDEPTH | Get the depth of the undo stack | NEW |