22 lines
695 B
Markdown
22 lines
695 B
Markdown
---
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title: Side effects
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description: A summary of side effects in the Flux functional data scripting language.
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menu:
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flux_v0_ref:
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parent: Flux specification
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name: Side effects
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weight: 113
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aliases:
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- /influxdb/v2/reference/flux/language/side-effects/
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- /influxdb/cloud/reference/flux/language/side-effects/
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---
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Side effects can occur in one of two ways.
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1. By reassigning built-in options
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2. By calling a function that produces side effects
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A function produces side effects when it is explicitly declared to have side effects or when it calls a function that itself produces side effects.
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{{< page-nav prev="/flux/v0/spec/statements/" next="/flux/v0/spec/system-built-ins/" >}}
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