Cheat Sheet

Quick reference for the dot-prompt language syntax and features.

@ Sigils

Sigil	Meaning
@name	Variable declaration or reference
{name}	Static fragment reference (cached)
{{name}}	Dynamic fragment reference (live)
#	Internal comment (stripped from LLM output)
->	Indented documentation for params/fragments
=	Default value for params

T Data Types

Type	Can Branch?	Usage	Purpose
str	No	@query: str	Raw text input
int	No	@count: int	Raw numeric data
int[a..b]	Yes	@step: int[1..5]	Bounded integers
bool	Yes	@toggle: bool	True/False logic
enum[...]	Yes	@mode: enum[a, b]	Mutually exclusive modes
list[...]	Yes	@skills: list[A, B]	Multiple selection

Tip: Only compile-time types (Yes to Branching) can drive if, case, and vary blocks.

C Control Flow

If Block

if @step is 1 do
  Hello! Welcome.
elif @step is 2 do
  Continue.
else
  Final.
end @step

Case Block

case @level do
beginner: Use simple analogies.
advanced: Use technical terms.
end @level

Vary (A/B Test)

vary @style do
formal: Structured overview.
casual: Jump straight in.
end @style

F Fragments

Declaration

fragments:
  {rules}: static from: shared/rules.prompt
  {{history}}: dynamic -> Live conversation history
  {skill}: static from: skills
    match: @skill_name

Operator	Meaning
is x	Equals
not x	Does not equal
above x	Greater than
below x	Less than
min x	Greater than or equal
max x	Less than or equal
between x and y	Inclusive range