Statements

Local Declarations

Str s
Str s := "hello"
s := "hello"
list := [0, 1, 2]

See docLang for details.

If/Else

if (cond)
  doIt

if (cond)
  doIt
else
  dontDoIt

if (cond1)
  do1
else if (cond2)
  do2
else
  do3

See docLang for details.

While

while (cond)
  doSomething

while (x)
{
  if (y) continue
  if (z) break
  doSomething
}

See docLang for details.

For

for (i:=0; i<3; ++i)
  echo(i)

for (;;)
{
  if (y) continue
  if (z) break
  doSomething
}

See docLang for details.

Switch

switch (method)
{
  case "head":
  case "get":
    serviceGet
  case "post":
    servicePost
  default:
    serviceBadMethod
}

Note you don't use the break statement in a switch - it is implied. See docLang for details.

Throw

throw ArgErr()
throw Err("something bad happened")

See docLang for details.

Try/Catch

try
{
  doSomething
}
catch
{
  echo("any err thrown")
}

try
{
  doSomething
}
catch (IOErr e)
{
  e.trace
}

try
  doSomething // single statement
catch (IOErr e)
  e.trace     // single statement

try
{
  doSomething
}
catch (IOErr e)
{
  handleIOErr(e)
}
catch (ArgErr e)
{
  throw e // rethrow
}
catch
{
  e.trace // anything else
}

See docLang for details.

Try/Finally

try
{
  doSomething
}
finally
{
  cleanup
}

try
  doSomething // single statement
finally
  cleanup     // single statement

try
{
  doSomething
}
catch (Err e)
{
  e.trace
}
finally
{
  cleanup
}

See docLang for details.