52 lines
1.1 KiB
Markdown
52 lines
1.1 KiB
Markdown
---
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title: "Exercices"
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weight: 8
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---
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# Exercices
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## Conditions (pseudo-)imbriquées
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Représenter (naïvement) la condition suivante avec une constellation de telle
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sorte à ce qu'elle retourne `message(use more duct tape);` avec la constellation
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`@+it_moves(1); @+it_should_move(0);` :
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```
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if it moves and it should move
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no problem
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if it moves and it should not move
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use more duct tape
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if it does not move and it should move
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use more lube
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if it does not move and it should not move
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no problem
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```
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{{< details title="Solution" open=false >}}
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```
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-it_moves(1) -it_should_move(1) message(no problem);
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-it_moves(1) -it_should_move(0) message(use more duct tape);
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-it_moves(0) -it_should_move(1) message(use more lube);
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-it_moves(0) -it_should_move(0) message(no problem);
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@+it_moves(1);
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@+it_should_move(0);
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```
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{{< /details >}}
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{{< hint info >}}
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Il n'est pas nativement possible la condition suivante :
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```
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if it moves
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if it should move
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no problem
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else
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use more duct tape
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else
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if it should move
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use more lube
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else
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no problem
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```
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car cela requiert des mécanismes de liaisons séquentielles.
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{{< /hint >}} |