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Update pre-null-safety spec with new null safety sections #2023

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Update pre-null-safety spec with new null safety sections #2023

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d82bd58
Update pre-null-safety spec with null safety sections near the end of…
eernstg Dec 10, 2021
d420170
Interface type and subtype rule fixes
eernstg Jan 6, 2022
ca8a08b
Adjusted class building types
eernstg May 9, 2022
c62531e
WIP
eernstg May 25, 2022
c1f0307
Review response
eernstg Jun 1, 2022
9a16aad
Whitespace
eernstg Nov 30, 2023
3acdc63
Fix RawFunctionTypeNamed command
eernstg Nov 30, 2023
9620f24
Update command \flatten to \Flatten
eernstg Sep 2, 2024
f7c1d31
Correct wrong rebase update
eernstg May 14, 2025
c7d38be
Corrections from current version of spec
eernstg May 14, 2025
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27 changes: 19 additions & 8 deletions specification/dart.sty
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Original file line number Diff line number Diff line change
Expand Up @@ -124,11 +124,9 @@
\newenvironment{commentary}[1]{{\color{commentaryColor}\sf{#1}}}{}

% Auxiliary functions.
\newcommand{\flattenName}{\mbox{\it flatten}}
\newcommand{\flatten}[1]{\ensuremath{\flattenName({#1})}}
\newcommand{\futureOrBase}[1]{\ensuremath{\mbox{\it futureOrBase}({#1})}}
\newcommand{\overrides}[1]{\ensuremath{\mbox{\it overrides}({#1})}}
\newcommand{\inherited}[1]{\ensuremath{\mbox{\it inherited}({#1})}}
\newcommand{\futureOrBase}[1]{\ensuremath{\metavar{futureOrBase}({#1})}}
\newcommand{\overrides}[1]{\ensuremath{\metavar{overrides}({#1})}}
\newcommand{\inherited}[1]{\ensuremath{\metavar{inherited}({#1})}}

% Used as a mini-section marker, indicating visibly that a range of
% text (usually just a couple of paragraphs) are concerned with one
Expand Down Expand Up @@ -338,7 +336,7 @@
% "T1, .. Tn, {rn+1 Tn+1 xn+1, .. rn+k Tn+k xn+k}".
\newcommand{\FunctionTypeNamedParameters}[5]{%
\List{#1}{1}{#2},\ \{\TripleList{#5}{#1}{#3}{{#2}+1}{{#2}+{#4}}\}}

% Variant of \FunctionTypeNamedParameters that uses the standard symbols,
% that is, a list of function type parameter declarations with named
% parameters which uses the symbols that we prefer to use for that purpose
Expand Down Expand Up @@ -386,6 +384,16 @@
\newcommand{\FunctionTypePositionalStdCr}[1]{%
\FunctionTypePositional{#1}{\\}{X}{B}{s}{T}{n}{k}}

% Used to specify function type parameter lists with named optionals.
% Arguments: Parameter type, number of required parameters,
% name of optional parameters, number of optional parameters,
% name of `required` symbol.
\newcommand{\FunctionTypeNamedArguments}[5]{%
\List{#1}{1}{#2},\ \{\TripleList{#5}{#1}{#3}{{#2}+1}{{#2}+{#4}}\}}

\newcommand{\FunctionTypeNamedArgumentsStd}{%
\FunctionTypeNamedArguments{T}{n}{x}{k}{r}}

% Used to specify function types with named parameters:
% Arguments: Return type, spacer, type parameter name, bound name,
% number of type parameters, parameter type, number of required parameters,
Expand All @@ -402,9 +410,9 @@

% Same as \FunctionTypeNamed except suitable for inline usage, hence omitting
% the spacer argument.
\newcommand{\RawFunctionTypeNamed}[8]{%
\newcommand{\RawFunctionTypeNamed}[9]{%
\RawFunctionType{#1}{#2}{#3}{#4}{%
\FunctionTypeNamedParameters{#5}{#6}{#7}{#8}{r}}}
\FunctionTypeNamedParameters{#5}{#6}{#7}{#8}{#9}}}

% A variant of \FunctionTypeNamed that uses the standard symbols,
% that is, a function type with positional optional parameters which
Expand Down Expand Up @@ -447,6 +455,9 @@
\newcommand{\FunctionTypeAllRequiredStd}[1]{%
\FunctionTypeAllRequired{#1}{ }{X}{B}{s}{T}{n}}

\newcommand{\FunctionTypeNamedStdArgCr}[1]{%
\FunctionTypeNamedArgCr{#1}{ }{X}{B}{s}{T}{n}{x}{k}}

% Same as \FunctionTypeAllRequiredStd except that it includes a newline, hence
% suitable for function types that are too long to fit in one line.
\newcommand{\FunctionTypeAllRequiredStdCr}[1]{%
Expand Down
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