## Control Flow

## Usage

    if(cond) expr
    if(cond) cons.expr  else  alt.expr
    for(var in seq) expr
    while(cond) expr
    repeat expr
    break
    next

## Description

These are the basic control-flow constructs of the R language. They function in much the same way as control statements in any algol-like language.

## See Also

`ifelse`, `switch`.

## Examples

    for(i in 1:5) print(1:i)

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