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Minor fixes

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Daniel Hillerström
2021-02-17 17:49:34 +00:00
parent dd0aaa32f6
commit 2b21cfcb4e
1 changed files with 8 additions and 8 deletions
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16
thesis.tex
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@@ -5973,10 +5973,10 @@ have the advantage of having a simple, straightforward implementation.
% %
\[ \[
\ba{@{~}l@{\qquad}c@{~}l} \ba{@{~}l@{\qquad}c@{~}l}
\Directory \defas \List~\Record{\String;\Int} &&% \Directory \defas \List\,\Record{\String;\Int} &&%
\DataRegion \defas \List~\Record{\Int;\UFile} \smallskip\\ \DataRegion \defas \List\,\Record{\Int;\UFile} \smallskip\\
\INode \defas \Record{lno:\Int;loc:\Int} &&% \INode \defas \Record{lno:\Int;loc:\Int} &&%
\IList \defas \List~\Record{\Int;\INode} \IList \defas \List\,\Record{\Int;\INode}
\ea \ea
\] \]
% %
@@ -6147,7 +6147,7 @@ $\URead$ and $\UWrite$ operations.
\bl \bl
\Let\;cs\revto \faild\,\Record{\None;\lambda\Unit.\\ \Let\;cs\revto \faild\,\Record{\None;\lambda\Unit.\\
\quad\Some\,(\fread\,\Record{ino;\Uget\,\Unit})}\\ \quad\Some\,(\fread\,\Record{ino;\Uget\,\Unit})}\\
\In\;resume\,cs \In\;resume~cs
\el\\ \el\\
\OpCase{\UWrite}{\Record{ino;cs}}{resume} &\mapsto& \OpCase{\UWrite}{\Record{ino;cs}}{resume} &\mapsto&
\ba[t]{@{}l} \ba[t]{@{}l}
@@ -6172,7 +6172,7 @@ writing to a file. Again the file system state is retrieved using
$\Uget$. The $\Uput$ operation is used to update the file system state $\Uget$. The $\Uput$ operation is used to update the file system state
with the state produced by the successful invocation of with the state produced by the successful invocation of
$\fwrite$. Failure is interpreted as unit, meaning that from the $\fwrite$. Failure is interpreted as unit, meaning that from the
caller perspective the operation fails silently. caller's perspective the operation fails silently.
\paragraph{File creation and opening} \paragraph{File creation and opening}
The signature of file creation and opening is unsurprisingly comprised The signature of file creation and opening is unsurprisingly comprised
@@ -6212,7 +6212,7 @@ from the functions we already have at our disposal.
% %
\[ \[
\bl \bl
\dec{has} : \Record{\alpha;\List~\Record{\alpha;\beta}} \to \Bool\\ \dec{has} : \Record{\alpha;\List\,\Record{\alpha;\beta}} \to \Bool\\
\dec{has}\,\Record{k;xs} \defas \faild\,\Record{\False;(\lambda\Unit.\lookup\,\Record{k;xs};\True)} \dec{has}\,\Record{k;xs} \defas \faild\,\Record{\False;(\lambda\Unit.\lookup\,\Record{k;xs};\True)}
\el \el
\] \]
@@ -6297,13 +6297,13 @@ implementation of $\fileRW$.
\Let\;\Record{ino;fs} = \fcreate\,\Record{\,fname;\Uget\,\Unit}\\ \Let\;\Record{ino;fs} = \fcreate\,\Record{\,fname;\Uget\,\Unit}\\
\In\;\Uput~fs;\,\Some~ino} \In\;\Uput~fs;\,\Some~ino}
\el\\ \el\\
\In\; resume\,ino \In\; resume~ino
\el\\ \el\\
\OpCase{\UOpen}{fname}{resume} &\mapsto& \OpCase{\UOpen}{fname}{resume} &\mapsto&
\ba[t]{@{}l} \ba[t]{@{}l}
\Let\; ino \revto \faild~\Record{\None; \lambda \Unit.\\ \Let\; ino \revto \faild~\Record{\None; \lambda \Unit.\\
\quad\Some\,(\fopen\,\Record{fname;\Uget\,\Unit})}\\ \quad\Some\,(\fopen\,\Record{fname;\Uget\,\Unit})}\\
\In\;resume\,ino \In\;resume~ino
\ea \ea
\ea \ea
\ea \ea