Increments the number stored at key by one. If the key does not exist, it is set to 0 before performing the operation. If px is non-null expire this key after the given timeout in milliseconds. Returns the value of the key after the increment.

incrby

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This incrby(Str key, Int delta)

Increments the number stored at key by delta. If the key does not exist, it is set to 0 before performing the operation. If px is non-null expire this key after the given timeout in milliseconds. Returns the value of the key after the increment.

incrbyfloat

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This incrbyfloat(Str key, Float delta)

Increment the string representing a floating point number stored at key by the specified delta. If the key does not exist, it is set to 0 before performing the operation. If px is non-null expire this key after the given timeout in milliseconds. Returns the value of the key after the increment.

llen

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This llen(Str key)

Return the length of the list stored at key. If key does not exist, it is interpreted as an empty list and 0 is returned.

lpush

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This lpush(Str key, Obj val)

Insert all the specified values at the head of the list stored at key. If key does not exist, it is created as empty list before performing the push operations. When key holds a value that is not a list, throws Err.

Val may be a single value or a List of values. When a List is passed, all values are pushed in a single command. Note that values are pushed left-to-right, so lpush(key, [1,2,3]) results in 3 at the head.

lrange

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This lrange(Str key, Int start := 0, Int stop := -1)

Return the specified range of elements from the list stored at key. Both start and stop are zero-based indexes. Use 0 and -1 to retrieve the entire list.

ltrim

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This ltrim(Str key, Int start, Int stop)

Trim an existing list so that it will contain only the specified range of elements specified. Both start and stop are zero-based indexes, where 0 is the first element of the list (the head), 1 the next element and so on.

make

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new make(|This? f := null)

It-block ctor.

pexpire

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This pexpire(Str key, Duration milliseconds)

Expire given key after given ms has elasped, where timeout must be in even millisecond intervals.

rpush

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This rpush(Str key, Obj val)

Insert all the specified values at the tail of the list stored at key. If key does not exist, it is created as empty list before performing the push operation. When key holds a value that is not a list, throws Err.

Val may be a single value or a List of values. When a List is passed, all values are pushed in a single command.

set

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This set(Str key, Obj? val, Duration? px := null)

Set the given key to value, if val is null this method deletes the given key (see del). If px is non-null expire this key after the given timeout in milliseconds.

setnx

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This setnx(Str key, Obj val, Duration? px := null)

Set the given key to value only if key does not exist. Returns true if set was succesfull, or false if set failed due to already existing key. If px is non-null expire this key after the given timeout in milliseconds.

size

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Int size()

Return number of commands in this batch.